Prefixes

A up, from, off, away from: as in arise, awake, afoot; ascend, achieve, advert; abduct.

Al, ah, ac, ad to, towards, at, or near: as in adapt, admit, accede, aggregate, allude, assume, attribute, ascend.

An throughout, all through: as in analysis, anatomy, anabasis.

Ante before: as in antecedent, antedate.

Anti against, in opposition: as in Antichrist, anticlimax.

Apo, Aph away, apart, off: as in apostle, apostate, aphelion.

Ar, Arch, Archi chief, head, ruling: as in archbishop, architect, archangel.

Auto self, of one’s self: as in autograph, automatic.

Be from nearby: as in beside, beneath, below; with a causative force: as in benumb, besprinkle, bemire; behead; befall.

Bi twice, two ways, double: as in bicycle, biennial, bisect.

Cata, Cath, Cat down, downward, through, according to: as in cataract, catactysm, catarrh, catholic, catechism.

Circum around, all round; as in circumnavigate, circumspect, circumstance.

Co, Col. Com come together, altogether : as in combine, compound, command, collect, connect, correspond.

Contra against: as in contradict, contravene.

De down, from, away: as in descend, denude, depart, describe, decry, defeat.

Demi half, semi-. From Fr. demi. See in Dict.

Di double: as in dimorphous.

Dia through, between, double: as in diameter, diagnosis, dialogue.

Dis apart, asunder, in two: as in disarm, discharge, distract, disbelief, disapprove.

Dys bad. ill, difficult: as in dysentery, dyspepsia.

E enough: as in esquire, estate.

Ec, Ex, Ef out, out of; as in ecstasy, eclectic, exodus.

Em, En in: as in embrace, enclose, enlist; enable, enlarge, energy.

Enter between, among: as in enterprise. See Inter-.

Epi, Epli, Ep over as in epitaph, epithet, epidermis, ephemeral.

Eu well, good: as in eulogy, euphony.

Ex out of, out, from: as in exceed, exclude, exacerbate.

Extra beyond, without: as in extraordinary, extrajudicial.

For Used intensively or almost negatively; as in forgive, forbid, forgo;

Fore beforehand, in advance: as in foretell, foreshadow, foreground.

Hemi half: as in hemisphere. Akin to L. semi.

Hetero other, different; as in heterodox, heterogeneous.

Holo whole, entire: as in holograph, holocaust.

Homo same: as in homonym. From Gr. homos, same; allied to E. same.

Hyper over, beyond, too; hyperborean, hypercritical, hypertension.

Hypo under, beneath: as in hypocaust, hypotenuse, hypothesis.

In in: as in inborn, insight; inbred; include.

Inter between, among: as in intercede, intermingle, interchange. Akin to intra, intro within, as in interior, inner, internal, introduce, introspection.

Ma, male ill, badly: as in maladministration. maladroit, malcontent, malefactor.

Meta after, beyond. among, or denoting change as in metaphysics, metaphor, metamorphosis.

Mis wrong, wrongly, bad, badly: as in misdeed, mistake, misshapen, mishap. misinformed, misadventure, misalliance, mischance.

Mono, single, sole, having only one: as in monarch, monody, monogram, monomaniac.

Multi many; as in multiangular, multiform, multivariate.

N negative element: as in never, none, not, no, nil, null.

Non not; often used as in-, non-compliant, nonsense.

Ob against, before, in the way of: as in object, obstacle, obstruct. It appears also as oc, om, of, op: as in omit, occur, offend, oppress.

Off from ; as in offshoot, offspring.

On on, against: as in onset, onslaught.

Out out, beyond: as in outbid, outburst.

Over above, beyond, too much; as in overhaul, overhang, overburden, overcharge.

Pan, Pantin all; as in panacea, pantheism, pantograph, panorama.

Para, Par beside, beyond or aside from: as in parallel, paradox, parable, parody.

Pen almost: as in peninsula, penultimate.

Per through, throughout, thoroughly; as in perforate, pervade, perfect, perdition; perfidy, perjury.

Perl around, about: as in periphery, peripatetic, periphrasis.

Pol, Poly many: as in polygamy, polygon, polysyllable.

Por, Pol forward, forth: as in portend, pollute.

Post after, behind: as in postdate, postpone.

Pre before, beforehand, in advance: as in predict, prefer, prefigure, preeminent; akin to pro, per, primus, prison, provost.

Prefer beyond, above: as in preternatural, preterite.

Pro before, forth, forward: as in produce, project, profess, promise; pronoun, proconsul; prologue, prophet.

Pros towards, in addition: as in proselyte, prosody; as in protocol, protoplasm, protagonist.

Re, Red back, again: as in recall, regain, return, retract; redeem, redolent, redundant.

Retro backward ; as in retroact, retrograde.

Se aside, apart: as in secede, seduce, seclude ; secure.

Semi half: as in semicircle.

Sine without: as in sinecure.

Sub under, beneath, inferior: as in subject, subordinate, submarine, submerge, submit.

Super above, over, more than; as in superabound, superadd, supersede, superhuman.

Sur over, above: as in surface, surmount.

Syn, Syni, Syl with, together with, in company: as in synagogue, synclinal, symmetry, sympathy, syllable, syllogism.

To this, on this: as in today, tonight, together, toward, &c.

Trans-, Tra-, across, over, through, beyond: as in transmit, transport, transfix, transgress, traverse, traduce.

Tri three, thrice, threefold; as in triangle, tricolour, trident, trilobite, trilogy.

Ultra beyond; as in ultramarine, ultramontane.

Un negative prefix not or reversal; as in unavailing, unanswerable, &c.; undo, untie, &c.

Under below, beneath; as in undercurrent, underlie, underhand, undersell.

With against, back; as in withstand, withdraw, withhold.