MIGHTEST Antonyms There are 4 antonyms of the word mightest. (opposite meanings)Did you mean?Definition of MIGHTESTAlso try opposite words for..mightBest Opposite Words For MIGHTESTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1feeblestadjectiveadj2frailestadjectiveadj3slightestadjectiveadj4weakestadjectiveadj Alternatives for FEEBLEST Words (4)debilitatedfaintinfirmweakOpposite words for feeblest Alternatives for FRAILEST Words (5)delicatefalliblefragileimperfectweakOpposite words for frailest Alternatives for SLIGHTEST Words (37)negligiblelittleinfinitesimalmicroscopicmicroscopicalminusculeminuteslightestsmallesttiniestflimsysveltebelittlecontemncontemptuousdaftdespisedisdainfulfatuousflatglassylithelousymeaninglessscornfulshoddyslicktinywillowyignorablecold-shoulderfragilerebuffslenderslimtenuousthinOpposite words for slightest Alternatives for WEAKEST Words (20)feeblefrailwateryassailabledebiledecrepitdilutefaintfallibleimperfectinfirmlightpowerlessricketysaplessunaccentedvinciblevulnerablewashyweaklyOpposite words for weakest