Greek/Latin Prefixes Flashcards
a-, ab-
not; without (amoral)
ana-/an-
up, again, similar to (analogy)
de-
down from, down, off, utterly (descend)
epi-
upon; on, at, over, near (epicenter)
eu-
well, good (euphoria)
hypo-
under; beneath (hypocritical)
ob-
against (obfuscate)
peri-
around (perimeter)
pro-
forth (proceed)
syn-
with; together (synonym)
tele-
far (telephone)
ab-, abs-
away from, apart (abstract)
ad- (often the d is dropped and the first letter to which a is prefixed is doubled), ac-, an-, as-, a-
to, toward, near, against (advent, attract)
ambi-, amb-
around, about, on both sides (ambiguous)
ante-
before, in front of, early (antedate)
arch-
main, chief (archangel)
bi-
two (biannually)
bene-
well (benefit)
circum-, cira-
around, about (circumference)
con-
with, together (concur)
com-/cor-/col-
together, with, very (comprise)
contra-
against (contradict)
counter-
against (counterclockwise)
demi-
half, partly belongs to (demigod)
dis-/di-/dif-
apart, in different directions (divorce)
du-/duo-
two (duplicate)
em-/en-
in, into (enclose)
ex-/e-/ef-/ec-
out, out of, from, away (expel)
extra-/extro-
outside of, beyond (extraordinary)
fore-
before (forestall)
in-/i-/il-/im-/ir-
in, into, on, toward, put into (incision); not, lacking without (immoral)
indu-/indi-
extremely lacking (indigent)
infra-
below, beneath, inferior to, after (infrared)
intro-
in, into, within (introspective)
juxta-
near, beside (juxtapose)
mal-/male-
evil, badly (malformed)
medi/medio
middle (mediocre)
milli-/mille
thousand (millimeter)
mono-
one (monarch)
multi-/multus-
much, many (multiply)
ne-
not (neutral)
non-
not [less emphatic than IN or UN] (nonconformity)
nul-/null-
none, not any (nullify)
ob-/of-/oc-
toward, against, across, down, for (offer)
op-/o-
toward, against, across, down, for (opposite)
omni-
all, everywhere (omniscient)
ped-, pedi-
foot (pedicure)
per-/pel-
through, by, thoroughly, away (permeate)
post-
behind, after [in time or place] (posterity, postpone)
pre-
early, before, toward (precedent)
pro-, pur-
before, for, forth (proceed)
quadri-/quadr-
four times, four fold (quadriceps)
re-/red-
back, again, against, behind (redeem)
retro-
backwards, behind (retrofit)
se-/sed-
aside, apart, away from (secede)
semi-
half (semiprivate)
sine-
without (sinecure)
sub-/suc-/suf-
under, beneath, inferior (submissive)
sug-/sum-/sup-
less than, in place of, secretly (subtract)
sur-/sus-
less than, in place of, secretly (surprise)
subter-
beneath, secretly (subterfuge)
super-/supra-
over, above, excessively (superficial)
sur-
over, above, excessively (surplus)
trans-/tra-
across, over, beyond, through (transit)
tri-
three (triangle)
ultra-
beyond, on other side (ultrasound)
un-
not, no, without (unashamed)
uni-
one (uniform)
prim-/primo-
first (primary)
terti-
third (tertiary)
quart-
fourth (quarter)
sex-/sext-
six, sixth (sextet)
sept-
seven (September)
oct-/octav-
eight/eighth (October)
novem-
nine (November)
decem-
ten (December)
cent-
hundred (century)
sesqui-
on and a half times (sesquicentennial)
acro-
top, end (acrobat)
allo-
other (allocate)
amb-/amphi-
around (ambiance)
andro-/andr-
human, male (androgynous)
anti-/ant-
instead, against (antisocial)
apo-/ap-
away, from, off, utterly (apogee, apostasy)
archae-
ancient (archaeology)
auto-
self (autograph)
caco-
bad (cacophony)
cata-/cat-
down, down from, against (catacomb)
deca-
ten (decade)
dermat-
skin (dermatitis)
dia-/di-
through, across, in two (dialect, dichotomy)
dis-/di
two, through, across (dissect)
dys-
bad, difficult, faulty (dysfunctional)
ex-/ec-
out, from, off (exit)
eco-
environment, habitat (ecosystem)
ecto-
on the outside (ectoderm)
epi-/ep-
upon, at, over, near (episode)
eso-
inward, within (esoteric)
exo-
outside, external (exoteric)
hetero-
unlike, other (heterosexual)
hier-
sacred (hieroglyphics)
holo-/hol-
whole (holistic)
homeo-/homo-
like, similar (homonym)
hyper-
over, above, beyond (hyperbole)
idio-
individual (idiosyncratic)
ideo-
idea (ideology)
iso-
equal (isometric)
kilo-
thousand (kilogram)
macro-
large (macroscope)
mega-/megalo-
large (megalomania)
micro-
small (microscope)
neo-
new (neoclassical)
olig-
few (oligarchy)
ortho-
straight, regular, upright (orthodox)
pan-
all (pandemic)
para-
beside, beyond, near, resembling, incorrectly (paranormal)
poly-
many (polyglot)
pro-
before, forward, for (procrastinate)
proto-
first (prototype)
pseudo-
false (pseudonym)
octo-
eight
intra-
between (intramural)
noct-/nox
night (nocturnal)