SLICKEST Antonyms There are 3 antonyms of the word slickest. (opposite meanings)Did you mean?Definition of SLICKESTAlso try opposite words for..slickBest Opposite Words For SLICKESTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1clumsiestadjectiveadj2dullestadjectiveadj3roughestadjectiveadj Alternatives for CLUMSIEST Words (13)awkwardungainlybunglesomebunglingclunkycumbersomefumblinggawkyill-choseninaptincompetentineptunwieldyOpposite words for clumsiest Alternatives for DULLEST Words (36)boringtedioushumdrumlifelessmonotonousmundaneprosaicspiritlessunexcitinguninterestingslowbluntbenumbdampdampendeadeningdensedimdumbho-humirksomelacklusterleadenmattemufflemuffledmutemutednumbobtusepallsluggishsoftenedthuddingtiresomewearisomePhrases (1)tone downOpposite words for dullest Alternatives for ROUGHEST Words (20)harshrockyroughlyapproximateapproximativeboisterousbumpycrudefiercegratinggravellyjoltingjoltyjumpypugnaciousraspingraspyscratchyuncutunsmoothPhrases (2)rough inrough outOpposite words for roughest