-EST


Meaning of -EST in English

suffix

(makes superlative adjectives and adverbs):

widest

biggest

happiest

soonest

—compare -er

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WORD ORIGIN

Old English -ost- , -ust- , -ast- .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.