100 Prefix Words List

100 Prefix Words List! When it comes to writing, prefixes can be extremely helpful in making your words sound more professional.

Prefixes

Prefixes are the building blocks that help create a word. They come before the root word and often change the meaning of it.

There are many different prefixes that can change the meaning of a word in their own way.

Here is a list of 100 prefix words that you can use to improve your writing.

100 Prefix Words

Un-

Meaning: not, opposite of

Examples:

unhappy, unsafe, unfair, unkind, unknown

 

Dis-

Meaning: not

Example:

dishonest, dismiss, disbelief, disorder

 

Re-

Meaning: again

Example:

return, repeat, refuse

 

Pre-

Meaning: before

Example:

predict, prevent, prepare

 

Post-

Meaning: after, behind

Example:

postpone, postmortem, posterior

 

In-

Meaning: in, on, inside

Example:

inhale, inject, include

 

Im-

Meaning: not

Example:

impossible, immature, impolite

 

Ir-

Meaning: not

Example:

irrational, irregular, irrelevant

 

Anti-

Meaning: against

Example:

antibiotic, antifreeze, antidote

 

Auto-

Meaning: self

Example:

automatic, autobiography, autonomous

 

De-

Meaning: down, off, away from

Example:

detach, descended, deduct

 

En-

Meaning: in, on, into

Example:

endanger, encode, enclose

 

Eu-

Meaning: good, well

Example:

eulogy, euphoria, eureka

 

Inter-

Meaning: between or among

Example:

interface, international, interstate

 

Mal-

Meaning: bad, badly

Example:

malfunction, malnourished, malicious

 

Micro-

Meaning: small

Example:

microbe, microscope, microsecond

 

Mid-

Meaning: middle

Example:

midday, midnight, midsummer

 

Multi-

Meaning: many, much

Example:

multicolored, multifaceted, multilingual

 

Non-

Meaning: not

Example:

nonfat, nonfiction, nonsense

 

Over-

Meaning: too much, excessively

Example:

overconfident, overloaded, overdue

 

Re-

Meaning: back, again

Example:

refund, recharge, redo

 

Sub-

Meaning: under, below, less than normal

Example:

subway, subtitle, subzero

 

Super-

Meaning: above, over

Example:

supernatural, superpower, supersede

 

Trans-

Meaning: across, beyond

Example:

transatlantic, transfer, translate

 

Under-

Meaning: below normal

Example:

undercharge, underestimate, underdeveloped

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Popular Prefixes with Meaning and Examples

Prefix	Meaning	Examples
dis-	not	disagree, disarray, disallow
un-	opposite	unable, unequal, undo
hyper-	above	hyperactive,, hyperventilate
en-	to put into	encrypt, enmesh
anti	against	antibiotic, antidote, antidepressant
bi-	two	biannual, bicycle
post-	after	post-natal, postpone
micro-	small	microscope, microfilm, microbiology
co-	with	co-worker, co-operation, co-pilot
super-	above	superfood, supernatural, superstar
sub-	under	submerge, submarine
de-	from	decode, deflate, decrease
semi-	half	semicircle, semiconscious, semi-final
em-	cause to	embrace,, embed
uni-	one	unicycle, unilateral, universal
fore-	before	forearm, forerunner, forecast
non-	not	nonsense, nondescript, nonentity
tri-	three	triangle, tricycle, triathlon
pre-	before	prefix, prehistory, preheat
mono-	one	monotone, monolithic
extra-	more than	extracurricular, extraordinary
therm-	heat	thermometer, thermostat
circum-	around	circumstance, circumvent
trans-	across	transatlantic, transfer, transcribe
mis-	wrong	misinform, mislead, misinterpret
mid-	middle	midlife,, midnight
in-	not	inaction, invisible, incapable
omni-	all	omnibus, omnipotent, omnivore
inter-, intra-	between	interact, intergalactic, intermediate
im-	without	impossible, impure, improper
homo-	same	homosexual, homoplastic
macro-	large	macroeconomics, macromolecule
para-	beside	parachute, paradox, paramedic
infra-	below	infrastructure, infrasonic, infrared
pro-	before	proactive, profess, produce
re-	again	react, reform, reappear
mal-	bad	malady, malicious
per-	completely	percent, perfect, percussion
ex-	out of	exceed, exhale, exclusive