FOURTHLY Antonyms There are 7 antonyms of the word fourthly. (opposite meanings)Did you mean?Definition of FOURTHLYAlso try opposite words for..fourfourthBest Opposite Words For FOURTHLYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1firstlyadverbadv2initiallyadverb, adjectiveadv, adj3originallyadverbadv4primarilyadverbadv5secondlyadverbadv6thirdlyadverbadv7at firstadverbadv Alternatives for FIRSTLY Words (2)firstforemostPhrases (2)first of allfirst offOpposite words for firstly Alternatives for ORIGINALLY Words (5)earlierinitiallyprimitivelystartinnovativelyPhrases (4)in the beginningat firstin the first placeto begin withOpposite words for originally Alternatives for PRIMARILY Words (5)chieflymainlyprincipallylargelypredominantlyPhrases (5)above allby and largefor the most partin the first placein the mainOpposite words for primarily Alternatives for SECONDLY Words (1)secondOpposite words for secondly Alternatives for THIRDLY Words (1)thirdOpposite words for thirdly