A-HORIZON Antonyms There are 2 antonyms of the word a-horizon. (opposite meanings)Did you mean?Definition of A-HORIZONSynonyms of A-HORIZONBest Opposite Words For A-HORIZONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1b-horizonnounn2c-horizonnounn Alternatives for B-HORIZON Words (1)subsoilOpposite words for b-horizon Alternatives for C-HORIZON Words (2)subsoilsubstratumOpposite words for c-horizon