conjoin v. + Add to list US //ˌkɑnˈdʒɔɪn// con·join SynonymsAntonymsEtymology Synonyms espousejoinmarrywe'd Antonyms disjoinOriginLATconiungo→ENconjoin From Old French conjoindre, from Latin coniungo, from con- (“together”) + iungo (“join”). Equivalent to con- + join.