FIRS Antonyms There are 2 antonyms of the word firs. (opposite meanings)Did you mean?Definition of FIRSAlso try opposite words for..firefiresfiredfirersfiringBest Opposite Words For FIRSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1angiospermsnounn2hardwoodsnoun, adjectiven, adj Alternatives for ANGIOSPERMS Words (1)phanerogamPhrases (1)flowering plantOpposite words for angiosperms