est

1 of 4

abbreviation (1)

established

estimate; estimated

EST

2 of 4

abbreviation (2)

eastern standard time

-est

3 of 4

adjective suffix or adverb suffix

—used to form the superlative degree of adjectives and adverbs of one syllable,

youngest

latest

of some adjectives and adverbs of two syllables,

luckiest

oftenest

and less often of longer ones

wonderfullest

-est

4 of 4

verb suffix

variants or -st

—used to form the archaic second person singular of English verbs (with thou)

gettest

didst

canst

Cite this Entry

Style

“Est.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/est. Accessed 26 Apr. 2026.

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Kids Definition

-est

1 of 2 adjective suffix or adverb suffix

əst,

ist

—used to form the superlative degree of adjectives and adverbs of one syllable

fattest

latest

and of some adjectives and adverbs of two or more syllables

luckiest

oftenest

-est

2 of 2 verb suffix

əst,

ist

variants or -st

—used to form the archaic second person singular of verbs (with thou)

gettest

didst

canst

Etymology

Adjective suffix or adverb suffix

Old English -est, -ost (adjective or adverb suffix)

Verb suffix

Old English -est, -ast (verb suffix)

Medical Definition

EST

abbreviation

electroshock therapy

est

abbreviation (1)

abbreviation (2)

adjective suffix or adverb suffix

verb suffix

Word History

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Cite this Entry

Kids Definition

Medical Definition

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