To occur before an event or time; to exist further back in time. / To assign a date to a document or action earlier than the actual date. / (lexicography) To find earlier citational evidence for a term.

Prior date; a date antecedent to another which is the actual date. / (obsolete) anticipation

simple past tense and past participle of antedate

Third-person singular simple present indicative form of antedate

present participle of antedate

The action of marking with an earlier date. / (lexicography) An earlier citation of a lexical item.

plural of antedating

plural of antedation

antedating

plural of antedater