WORD FORMATION I
PREFIXES
anti- (=against) auto- (=by oneself) bi(=two, twice) dis(=opposite) ex(=former) ex(=out of) in(=opposite) inter- (=between) im(=opposite) il(=opposite) ir(=opposite) mal(=badly) micro- (=small) mis(=badly) mono- (=one/single) multi- (=many) over(=too much) post(=after) pre(=before) pro(=in favour of) pseudo- (=false) re(=again) semi(=half) sub(=under) super(=above) trans(=across) un(=opposite) under- (=not enough) uni(=one)

anti-war, anti-social, anti-biotic autograph, auto-pilot, autobiography bicycle, bi-monthly, biannual, bilingual, biplane disloyal, disobedient, disappear, disagree, dislike exwife, exstudent, expresident, exflatmate extract, exhale, excommunicate, express inconvenient, inedible, invisible, intolerant, incorrect intermediate, intersection impatient, immortal, immature illegal, illegible, illiterate irreplaceable, irreversible, irrelevant malfunction, malnutrition, maltreat microwave, microscopic, micro-computer misunderstand, mistranslate, misinform monorail, monotonous, monologue, monogamous multilingual, multi-national, multi-racial overeat, oversleep, overtired, overdo postwar, postgraduate, post-revolutionary prejudge, preview, prejudice pro-government, pro-revolutionary, pro-nuclear pseudo-scientific, pseudo-nym, pseudo-intellectual retype, reread, replace, rewind semicircular, semi-final, semi-detached subway, submarine, subdivision, sub-editor superman, supernatural transatlantic, transaction, transexual uncomfortable, undo, undress, unload, unlock, untidy underworked, underused, undercooked unilateral, unisex, unicycle

PREFIXES which show an opposite state or process

disinim- (before “p/m”) il- (before “l”) ir- (before “r”) malun-

disagree, dishonest, dislike,… incompentent, inefficiency,… impossible, impatient,…. illegible, illegal, illiterate,… irresistible, irregular, irrelevant,… malfunction, malnutrition, maltreat,… unbelievable, undressed, unlocked,…

SUFFIXES
A. Verbs suffixes -ise