MIGHTIER Antonyms There are 3 antonyms of the word mightier. (opposite meanings)Did you mean?Definition of MIGHTIERAlso try opposite words for..mightmightyBest Opposite Words For MIGHTIERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1inferioradjectiveadj2smalleradjectiveadj3weakeradjectiveadj Alternatives for INFERIOR Words (18)deficientsubstandardfaultyinadequatelesserlowerlower-rankinglowlymediocreminorsecond-ratesecondarysubordinatesubservientunsuccessfulpoorerweakersubscriptOpposite words for inferior Alternatives for SMALLER Words (18)littlemodestminusculebelittleddiminishedhumblelowlowercaselowlymicroscopicminorminutepocket-sizepocket-sizedsmall-scaletinyweeyoungOpposite words for smaller Alternatives for WEAKER Words (20)feeblefrailwateryassailabledebiledecrepitdilutefaintfallibleimperfectinfirmlightpowerlessricketysaplessunaccentedvinciblevulnerablewashyweaklyOpposite words for weaker