DATEMARK Antonyms There are 3 antonyms of the word datemark. (opposite meanings)Did you mean?Definition of DATEMARKBest Opposite Words For DATEMARKTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1datelessadjectiveadj2timelessadjectiveadj3undatedadjectiveadj Alternatives for DATELESS Words (4)endlesssempiternaltimelessundatedOpposite words for dateless Alternatives for TIMELESS Words (15)agelesseternaleverlastingabidingclassicenduringpermanentdatelessill-timedimmortalinfinitenever-endingsempiternalunfadingundiminishableOpposite words for timeless Alternatives for UNDATED Words (1)datelessOpposite words for undated