Prefixes and Suffixes: A prefix is a word fragment added in front of a root or a word. Prefixes – Meaning and Examples Prefix Meaning Examples a- not, without amoral, apolitical ant-, anti- instead, against antisocial, antacid auto- self autograph, automatic bi- two, double bifurcate, biannual de-, dis- not, opposite deform, disagree em-, en- cause to empower, enact il-, im- not illiterate, impure in-, ir- not insincere, irrelevant inter- between international, intercept mis- wrong misspell, misinterpret non- not nonviolent, nonconformity pre- before, toward precedent, preposition re- again rewrite, regain semi- half, partly semicircle, semifinal sub- under substandard, subway tri- three triangle, triceps un- not unusual, unhappy Suffixes:
Root Words: Root Meaning Examples audi hear audio, audience bene good benefit, benign bio life biology, biography chrono time chronology, synchronise contra against contradict, contrast cred believe, trust credential, incredible deca (multiply by) ten decade, decagogue deci (divide by) ten decimate, decimetre dem people democracy, demographic dict speak dictate, verdict eco habitat ecology, ecosystem extra outside of, beyond extraordinary, extrovert fact make factory, manufacture fin end, limit final, confine gen birth gene, generation geo earth geography, geology gram record telegram, electrocardiogram graph write autograph, graphic homo like, similar homogeneous, homonym hyper over, beyond hyperactive, hyperbole infra below, after infrared, infrasonic kilo thousand kilogram, kilometre logy study of biology, geology macro large macroscopic, macroeconomics Root Meaning Examples mal evil, badly malnourished, malevolent mega large megawatt, megabyte meter measure thermometer, kilometre m...