different between backdate vs antedate

English

Alternative forms

• back-date
• back date

Etymology

back +? date.

Verb

backdate (third-person singular simple present backdates, present participle backdating, simple past and past participle backdated)

1. To give or assign a date to a document that is earlier than the current or true date.

   Synonyms: antedate; see also Thesaurus:backdate

Translations

Noun

backdate (plural backdates)

1. An assigned date that is earlier than the current or true date.
   • 2000, Jack Stewart, Hurricane (page 50)

     The backdates on the clearance forms made the little man's papers worthless […]

English

Etymology

ante- +? date

Pronunciation

• (UK) IPA^(key): /?ænti?de?t/

Verb

antedate (third-person singular simple present antedates, present participle antedating, simple past and past participle antedated)

1. To occur before an event or time; to exist further back in time.
   • 2010, Giancarlo Gandolfo, Economic Dynamics, 4th ed., Springer 2010, p.?311

     Actually, mathematical models of multi-sector growth models antedate the Harrod-Domar and Solow-Swan aggregate models.

2. To assign a date to a document or action earlier than the actual date; to backdate.
3. (lexicography) To find earlier citational evidence for a term.

Synonyms

• (occur before an event or time): predate; see also Thesaurus:predate
• (earlier than the actual date): backdate, foredate; see also Thesaurus:backdate

Antonyms

• (occur before an event or time): postdate
• (earlier than the actual date): postdate, overdate; see also Thesaurus:overdate

Translations

Noun

antedate

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

Spanish

Verb

antedate

1. Formal second-person singular (usted) imperative form of antedatar.
2. First-person singular (yo) present subjunctive form of antedatar.
3. Formal second-person singular (usted) present subjunctive form of antedatar.
4. Third-person singular (él, ella, also used with usted^?) present subjunctive form of antedatar.