SINKHOLES Antonyms There are 5 antonyms of the word sinkholes. (opposite meanings)Did you mean?Definition of SINKHOLESSynonyms of SINKHOLESAlso try opposite words for..sinksunksinkssinkersinkersBest Opposite Words For SINKHOLESTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1highlandsnounn2hillsnounn3peaksverb, nounv, n4ridgesnounn5slopesnounn Alternatives for HIGHLANDS Words (1)uplandOpposite words for highlands Alternatives for HILLS Words (11)heightselevationseminencesinclinesknollsmoundsridgesrisesslopesuplandsmoundPhrases (6)alfred hawthornebenny hillj. j. hilljames j. hilljames jerome hillpitcher's moundOpposite words for hills Alternatives for PEAKS Words (38)topsacmesapexesapogeescrestscrownsculminationspinnaclessummitszenithssummittopapexpinnacleacmetipbillbloomblossomcrestcrownculminateefflorescenceelevationextremumeyeshadeflowerflushheightheydaymeridianpointprimesuperlativetiptopvertexvisorvizorPhrases (1)top outOpposite words for peaks Alternatives for RIDGES Words (3)ridgelineridgepolerooftreeOpposite words for ridges Alternatives for SLOPES Words (18)angulationsdeclivitiesdescentsgradesgradientshillsinclinespitchesrampsslantsinclinegradientbankchinamanembankmenthillpitchsidePhrases (1)first derivativeOpposite words for slopes