Derivational Prefix List (2013)
I. Prefix list
This list include the most common prefixes (a word element that only used as a prefix) and combining forms. Please note that prefixes can be used by itself (prefix), with space (prefix ), or with hyphen (prefix-). For example, prefix of "non" can be added to word significant as:
The following tables list all prefixes for Lexical Tools derivations:
Prefix | Senses | Negation Tag | Example | LVG Release |
---|---|---|---|---|
a | lacking in, lack of, not, without | N | asexual, asymmetric | 2012 |
predicative adjective with progressive aspect (verb) | O | afloat, atremble | ||
on, in, at | O | abed, amidst, ashore | ||
in (such) a state or condition | O | afresh | ||
in (such) a manner | O | aloud, alive | ||
abs | away, from | O | abstract | TBD |
af | addition or increase | O | affirm | TBD |
at | change into, movement to, addition or increase | O | attend | TBD |
Afro | relating to Africa | O | Afro-American | 2012 |
ambi | both | O | ambitendency | 2012 |
amphi | two, both, on both sides | O | amphiaster, amphitheater, amphibian | 2012 |
an | lacking in, lack of, not, without | N | anemic | 2012 |
up, against | O | anode | ||
ana | up, against | O | anatoxin | 2012 |
Anglo | relating to England | O | Anglo-Irish | 2012 |
ante | before | O | antenatal | 2012 |
anti | opposite, against | N | anti-war, antivirus, anti-human | 2012 |
apo | away, different from | O | apomorphine | 2012 |
detached, separate | O | apocarpous | ||
formed from, related to | O | apocodeine | ||
arch | supreme, highest, worst | O | archangel | 2012 |
preeminent, extreme | O | archcapitalist, archinfamy | ||
first in time, primitive | O | archfather, archform | ||
astro | star | O | astrobiology | 2012 |
astrological, astrological and | O | astrodiagnosis, astromedical | ||
aster in cells | O | astrosphere | ||
auto | self | O | autobiography, automatic | 2013 |
automatic, self-acting, self-regulating | O | autofeed, autowind | ||
of, by, affecting or for the same individual | O | autohemagglutination, autovaccine | ||
self-caused, self-induced, occurring within one’s own body sometimes pathologically | O | autointoxication | ||
acting as an antibody on or produced as an antibody for one’s own antigens | O | autoagglutinin, autohemolysin | ||
be | equipped with, covered with, beset with (pejorative or facetious) | O | bedeviled, becalm, bedazzle, bewitch | 2012 |
to a great degree, thoroughly | O | becudgel, befuddle, bespatter | ||
about, to, at, upon, against; intransitive verbs from intransitive verbs | O | bestride, bespeak | ||
make, cause to be, treat as; verbs from adjectives or nouns | O | belittle, benumb, befriend | ||
chemical prefix of unknown meaning | O | bekanamycin, bemethyl | ||
bi | two | O | bicycle | 2012 |
bio | biological | O | biodegrade | 2012 |
bis | both; of or belonging to both; two | O | bisischiatic, bismarine | TBD |
doubled | O | bisdimethylamino, bisquaternary | ||
circum | around | O | circumnavigate | 2012 |
cis | on this side | O | cis-vaccenate | TBD |
co | joint, with, accompanying | O | co-worker, coordinator, cooperation, cohabit | 2012 |
in or to the same degree | O | coextensive, coeval | ||
operating together or reciprocally | O | coterm | ||
of the complement of an angle | O | cosine, codeclination | ||
con | together or with | O | confederation | 2012 |
cone | O | conus | ||
com | together or with | O | commingle | 2012 |
col | together or with | O | colleague | 2012 |
colon | O | colectasia | ||
cor | together or with | O | correlation | 2012 |
contra | opposite | N | contradict | 2012 |
counter | against, in opposition to | N | counteract, counterpart | 2012 |
cryo | ice | O | cryogenics | 2012 |
crypto | hidden, secret | O | cryptography | 2012 |
de | reverse action, get rid of | N | de-emphasise | 2012 |
down | O | depress | ||
get off of (something) | O | detrain, deplane | ||
derived or compounded from (something) | O | deacetyl | ||
having removal of one or more atoms of (a specified element) | O | dehydro-, deoxy- | ||
demi | half | O | demiembryo, demispan | 2012 |
demo | people | O | demography | 2012 |
di | two | O | dioxide | 2012 |
dif | apart | O | differ | TBD |
dis | not, opposite of | N | disloyal, disagree | TBD |
reverse action, get rid of | N | disconnect, disinformation | ||
apart | N | dissect | ||
dys | abnormal, diseased, bad, unfavorable, faulty | N | dysplasia, dyspathy, dysfunction | 2012 |
difficult, with difficulty | O | dysmenorrhea, dysoxidize | ||
absence or reverse of | O | dysteleology | ||
down | to make something lesser, lower or worse | O | downgrade | TBD |
du | two | O | duet | 2013 |
duo | two | O | duovirus | 2013 |
eco | ecological | O | ecosystem | 2013 |
electro | electric, electricity | O | electroablation | 2013 |
electromagnetic | O | electrochronograph | ||
electron-related | O | electrophilic | ||
en | to make into, to put into, to get into | O | enmesh | 2013 |
in, within, inside | O | endermic, enzootic | ||
chemically saturated; having one double bond | O | enamine | ||
em | to make into, to put into, to get into | O | empower | 2013 |
to provide with | O | empower | ||
to cause to be (sometimes with suffix –en) | O | embolden | ||
so as to cover or surround; thoroughly | O | embower | ||
epi | upon, at, close upon, in addition | O | epidermis | 2013 |
petrographically altered | O | epidiorite | ||
epimer of a specified chemical compound | O | epicholesterol, epirhamnose | ||
chemical compound or group distinguished from another by having a bridge connection | O | epichlorhydrin | ||
Euro | European | O | Eurocentric | 2012 |
ex | former | O | ex-wife | 2013 |
out of | O | export | ||
extra | outside | O | extracurricular | 2013 |
Franco | French, France | O | Francophile | 2012 |
fore | before | O | forearm, forerunner | 2013 |
at or toward the front; the front part of something | O | forearm | ||
geo | relating to the earth or its surface | O | geography | 2013 |
gyro | spinning on an axis | O | gyrokinetic | 2013 |
in a ring or spiral | O | gyromancy | ||
hetero | different | O | heterosexual | 2013 |
isomeric with or closely related to a (specified) compound | O | heteroxanthine | ||
hemi | half | O | hemiataxia | 2013 |
hemo | blood | O | hemodialysis | 2013 |
homologous with a (specified) organic compound | O | homoserine | ||
from the same species; corresponding in type of structure | O | homograft, homolysin | ||
haemo | blood | O | haemodialysis | TBD |
homo | same | O | homogenous, homologous | TBD |
hydro | relating to water, or using water | O | hydroelectricity | 2013 |
containing hydrogen | O | hydroborate | ||
characterized by an accumulation of fluid in a (specified) body part | O | hydronephrosis | ||
hydroid | O | hydromedusa | ||
hyper | above, over | O | hyperthermia | 2013 |
hypo | under or below something, low | O | hypothermia | TBD |
ideo | image, idea | O | ideograph | TBD |
idio | individual, personal, unique | O | idiographic | TBD |
in | in, into | O | insert | TBD |
not, opposite of | N | inexact | ||
Indo | relating to the Indian subcontinent | O | Indo-European | 2012 |
infra | below, beneath | O | infrared | TBD |
inter | among, between | O | intercede, interstate, interact | 2012 |
intra | inside, within | O | intravenous | 2012 |
il | not, opposite of | N | illegal | TBD |
im | not, opposite of | N | immature | TBD |
ir | not, opposite of | N | irregular | TBD |
iso | equal | O | isochromatic | TBD |
macro | long | O | macrobiotic | TBD |
mal | bad(ly) | O | malfunction | TBD |
maxi | very long, very large | O | maxi-circle | TBD |
mega | great, large | O | megabase | TBD |
megalo | great, large | O | megastar, megalopolis | TBD |
meta | after, along with, beyond, among, behind | O | meta-theory | TBD |
micro | small | O | microautoradiogram | TBD |
mid | middle | O | midlife | TBD |
midi | medium-sized | O | midiplasmin | TBD |
mini | small | O | minibus | TBD |
mis | wrong, astray | N | misinformation, misguide | TBD |
mono | sole, only | O | monogamy | TBD |
multi | many | O | multi-storey | 2012 |
many times over; in many respects | O | multimillionaire, multispecialist | ||
affecting many parts | O | multiglandular | ||
neo | new | O | neolithic | TBD |
non | not | N | nonexistent | 2012 |
ob | blocking, against, concealing | O | ibstruct | TBD |
oc | blocking, against, concealing | O | occult | TBD |
of | blocking, against, concealing | O | offend | TBD |
op | blocking, against, concealing | O | oppose | TBD |
omni | all | O | omnipotent, omnipresent | 2012 |
ortho | correcting or straightening | O | orthodontics, orthotropic | 2012 |
indicates a 1,2-substituted benzene ring in organice chemistry | O | orthonitrophenol | ||
indicates the common form of an acid in inorganic chemistry | O | orthoboric acid | ||
chemical prefix | O | orthoformate | ||
out | better, faster, longer, beyond | O | outreach, outcome | 2012 |
over | too much | O | overreact, overact | 2012 |
paleo | old | O | paleolithic | 2012 |
pan | all, worldwide | O | pan-African | 2012 |
para | beside, beyond | O | parallel | 2012 |
isomeric with, polymeric with, or otherwise closely related to | O | paracasein | ||
the relation of two opposite positions in the benzene ring that are separated by two carbon atoms | O | TBD | ||
a derivative in which two substituting groups occupy such positions | O | para-xylene | ||
paed | child | O | TBD | TBD |
pedo | child | O | TBD | TBD |
paedo | child | O | TBD | TBD |
paid | child | O | TBD | TBD |
paido | child | O | TBD | TBD |
ped | foot | O | pedestrian | 2012 |
child | O | TBD | ||
creature or object having feet or footlike projections | O | Pediastrum, pedrail | ||
something (specified) involving feet | O | pedometor | ||
pod | foot | O | podiatrist | 2012 |
per | through, completely, wrongly, exceedingly | O | permeate, permute | 2012 |
in chemistry, to denote a large amount or designate combination of an element in its highest valence | O | perchloroethylene | ||
peri | around | O | periabdominal | 2012 |
near | O | perihelion | ||
enclosing, surrounding | O | perineurium | ||
tissue surrounding (specified part) | O | periarthritis | ||
photo | light, photography, photograph | O | photoelectric | 2012 |
poly | many | O | polygon | 2012 |
chemistry--containing more than one and especially more than two or three units of (a specified substance) | O | polyatomic | ||
chemistry--polymer of, polymerized | O | polyethylene | ||
chemistry--isopoly- | O | polymolybdate | ||
post | after | O | post-election, post-graduation, postpone | 2012 |
pre | before | O | pre-election, pre-enter, predict | 2012 |
preter | beyond, past, more than | O | preternatural | 2012 |
pro | for, on the side of | O | pro-life | 2013 |
substitute, deputy | O | proconsul | ||
before | O | procambium | ||
pros | toward | O | Prosthesis | 2012 |
proto | first, original | O | protoplasm, prototype | 2012 |
pseudo | false, imitation | O | pseudonym | 2012 |
pyr | fire | O | pyroantimonate | TBD |
in chemistry, indicates a dimeric acid anhydride | O | pyrophosphoric acid | ||
due to or attributed to the action of fire or heat | O | pyrochlore | ||
of fiery color | O | pyrophanite | ||
fever, fever producing | O | pyrotoxin | ||
pyro | fire | O | pyroantimonate | 2012 |
in chemistry, indicates a dimeric acid anhydride | O | pyrophosphoric acid | ||
due to or attributed to the action of fire or heat | O | pyrochlore | ||
of fiery color | O | pyrophanite | ||
fever, fever producing | O | pyrotoxin | ||
quasi | partly, almost, appearing to be but not really | O | quasiaxial | 2012 |
re | again, back | O | rerun | 2012 |
retro | backwards | O | retrograde | TBD |
self | self | O | self-sufficient | TBD |
semi | half | O | semicircle | TBD |
socio | society, social, sociological | O | sociopath | TBD |
step | family relation by remarriage | O | stepbrother | TBD |
sub | below, under | O | subway | 2012 |
sup | below, under | O | support | TBD |
super | above, over | O | supervisor | TBD |
supra | above, over | O | suprarenal | TBD |
sur | above, over | O | surreal, surrender | TBD |
sy | together, with | O | system | TBD |
syn | together, with | O | synthesis | TBD |
syl | together, with | O | syllable | TBD |
sym | together, with | O | symbol | TBD |
tele | at a distance | O | television | TBD |
trans | across, from one place to another | O | transatlantic, transverse | TBD |
twi | two | O | twilight | TBD |
tri | three | O | tricycle | TBD |
ultra | beyond, extremely | O | ultraviolet, ultrasonic | TBD |
un | not, opposite of | N | unnecessary, unequal | 2012 |
reverse action, deprive of, release from | N | undo, untie | ||
under | lower in grade/dignity, lesser, insufficient | N | underachieve | TBD |
below, beneath | O | underground, underpass | TBD | |
uni | one | O | unicycle | TBD |
up | to make something more, higher or better | O | upgrade | TBD |
vice | deputy | O | vice-president | TBD |
with | against | O | withstand | TBD |
II. References