ARCHAEORNIS Antonyms There are 9 antonyms of the word archaeornis. (opposite meanings)Did you mean?Definition of ARCHAEORNISAlso try opposite words for..archaeologicalarchaeologicallyBest Opposite Words For ARCHAEORNISTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1ancientadjectiveadj2bygoneadjectiveadj3defunctadjectiveadj4extinctadjectiveadj5fossilnounn6nonlivingadjectiveadj7obsoleteadjectiveadj8prehistoricadjectiveadj9vanishedverbv Alternatives for ANCIENT Words (20)agedantiquehoaryancientantiquatedarchaicbygoneobsoleteoldoldenoutdatedoutmodedprehistoricprimitivevenerableantediluvianforerunnergeriatricoldsterantecessorPhrases (1)senior citizenOpposite words for ancient Alternatives for BYGONE Words (16)ancientantiquatedformerobsoleteoldold-fashionedoutdatedoutmodedpassepastpreviousforegonebypastdepartedgonehistoricalPhrases (2)out-of-datewater under the bridgeOpposite words for bygone Alternatives for DEFUNCT Words (10)dormantextinctinactiveinoperativekaputlifelessobsoleteantiquateddisusedoutdatedOpposite words for defunct Alternatives for EXTINCT Words (8)deaddefunctgonelostvanisheddisappearednonextantoutOpposite words for extinct Alternatives for FOSSIL Words (6)relicremnantvestigedodofogeyfogyOpposite words for fossil Alternatives for NONLIVING Words (6)inanimatedeadinertinsensatelifelessnon-livingOpposite words for nonliving Alternatives for OBSOLETE Words (9)disusedabortiveantiquatedobscuredeprecatedrudimentalantiquateoutdatedsuperannuatedPhrases (1)out-of-dateOpposite words for obsolete Alternatives for PREHISTORIC Words (1)prehistoricalOpposite words for prehistoric