Prefixes are a group of some letters that are placed before the root of a word, for example, the word subeditor consists of the prefix sub-, combined with the root or stem word editor. Below is the list of the most common prefix words.
- uni –
- under –
- un –
- tri –
- trans –
- therm –
- super –
- sub –
- semi –
Prefixes List
- uni –
Means: one
Examples: unicycle, universal, unilateral, unanimous
- under –
Means: under
Examples: understand, undersea
- un –
Means: not
Examples: unfriendly, unsatisfied
- tri –
Means: three
Examples: triangle, tripod, tricycle
- trans –
Means: across
Examples: transatlantic, transport
- therm –
Means: heat
Examples: thermometer, thermodynamic
- super –
Means: above
Examples: superman, superstar, supernatural
- sub –
Means: under
Examples: subeditor,
subterranean
- semi –
Means: half
Examples: semicircle, semifinal
- re –
Means: again
Examples: rewrite, reread, return, review
- pro –
Means: forward
Examples: proceed, promote, propose, progress
- pre –
Means: before
Examples: prefix, pre-intermediate, preschool
- post –
Means: after
Examples: postmortem, postpone
- para –
Means: beside
Examples: parachute, paradox
- over –
Means: too much
Examples: overload, overdo, overact, overboard, overdose, overweight
- over –
Means: over
Examples: overlook, overdue
- omni –
Means: all, every
Examples: omnibus, omnivore, omnipotent
- non –
Means: not, without
Examples: nonsense, nonverbal, nonstick, nonspecific
- mono –
Means: one, singular
Examples: monotone, monolithic
- mis –
Means: wrongly
Examples: misinterpret, misfire, misunderstand
- mis –
Means: wrong, wrongly
Examples: misjudge, misinterpret, mismatch, misplace
- mid –
Means: middle
Examples: midterm, midwest, midstream, midway, midnight
- micro –
Means: small
Examples: microscope, microbiology, microfilm, microwave
- macro –
Means: large
Examples: macroeconomics, macromolecule, macromolecular
- ir –
Means: not
Examples: injustice, impossible, irregular
- intra –
Means: between
Examples: intranet, intrapersonal, intransitive
- inter –
Means: between
Examples: international, interact
- infra –
Means: beneath, below
Examples: infrastructure, infrared, infrasonic
- in –
Means: in
Examples: infield,
infiltrate
- im –
Means: not
Examples: imbalance
- il –
Means: not
Examples: illegal
- hyper –
Means: over, above
Examples: hyperactive, hyperbole, hyperventilate
- homo –
Means: same
Examples: homosexual, homonuclear, homocentric, homoplastic
- fore –
Means: before
Examples: forecast, forehead, foresee, foremost
- extra –
Means: beyond, more than
Examples: extracurricular, extra-economic, extraordinary,
- ex –
Means: former, out of
Examples: ex-president, ex-boyfriend, ex-girlfriend
- epi –
Means: upon, close to, after
Examples: epi-centre, episcope
- en –
Means: cause to
Examples: encode, encounter, engulf
- em –
Means: cause to, put into
Examples: embrace, emphasize, embed
- dis –
Means: not, opposite of
Examples: disconnect, disembark, disagree, disappear, disintegrate, disjoint, disapprove
- de –
Means: opposite, down, away from
Examples: decode, decompose, default demotivate
- co –
Means: with
Examples: co-worker, co-pilot, cooperative
- circum –
Means: around
Examples: circumstance, circumvent, circumference, circumnavigate
- auto –
Means: self
Examples: automobile, autobus, automatic
- anti –
Means: against
Examples: antifreeze, antithesis, antidepressant, antidote, antisocial
- ante –
Means: before
Examples: antenatal, anteroom, antedate, antecedent
Download this lesson on prefixes list a to z in English Pdf
