HIGHLANDS Antonyms There are 2 antonyms of the word highlands. (opposite meanings)Did you mean?Definition of HIGHLANDSAlso try opposite words for..highlandhighlanderBest Opposite Words For HIGHLANDSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1lowlandsnounn2lowlandnoun, adjectiven, adj Alternatives for LOWLANDS Words (15)basinbogbottomlanddeltafenfloodplainmarshmeadowmoorplainsteppeswamplandvalleywetlandflatlandPhrases (1)coastal plainOpposite words for lowlands