D defs.my
Entry 1 sense Webster, 1913

-est

/(-ĕst)/ · IPA /ɪst/
01 A suffix used to form the superlative of adjectives and adverbs; as, smoothest; earl(y)iest.
  1. 1.
    A suffix used to form the superlative of adjectives and adverbs; as, smoothest; earl(y)iest.