SICKLIEST Antonyms There are 8 antonyms of the word sickliest. (opposite meanings)Did you mean?Definition of SICKLIESTAlso try opposite words for..sicksicklyBest Opposite Words For SICKLIESTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1robustadjectiveadj2fittestadjectiveadj3halestverb, adjectivev, adj4healthiestadjectiveadj5heartiestadjectiveadj6soundestadjectiveadj7strongestadjectiveadj8sturdiestadjectiveadj Alternatives for ROBUST Words (19)enduringenergetichalehardyhealthyheartypotentpowerfulresilientruggedsoundsteadfaststrongsturdytoughunyieldingvigorousfull-bodiedrichOpposite words for robust Alternatives for FITTEST Words (25)matchaccommodateagreeburstcheckconniptionconvulsioncorrespondequipfillfulfilfulfillgibegojibemeetoutfitparoxysmprimedsatisfyscenesetsuittallytantrumPhrases (2)conform tofit outOpposite words for fittest Alternatives for HALEST Words (4)fittesthealthiestsoundeststurdiestOpposite words for halest Alternatives for HEALTHIEST Words (13)healthfulgoodishgoodlyheftyintelligentlevel-headedlevelheadedrespectablesalubrioussizablesizeablesoundtidyPhrases (1)good for youOpposite words for healthiest Alternatives for HEARTIEST Words (7)full-bloodedred-bloodedsatisfyingsinceresolidsquaresubstantialOpposite words for heartiest Alternatives for SOUNDEST Words (25)safestsurestaudioechoeffectualfathomgogoodhealthyheavyintelligentlegallevel-headedlevelheadedphoneprofoundreasonedreechoresonatestraitvocalisevocalizevoicewakelesswell-groundedPhrases (2)auditory sensationspeech soundOpposite words for soundest Alternatives for STRONGEST Words (32)forcefulpowerfulsturdytoughenduringmightyresilientrobustvigorouspotenthardimpregnableinviolablesecureunassailableunattackableardentconcentrateddetermineddurableextremefirmintenseirregularranksolidstiffsubstantialunyieldingwarmzealousswithOpposite words for strongest Alternatives for STURDIEST Words (6)hardyinflexiblestalwartstouttoughuncompromisingOpposite words for sturdiest