different between confirm vs invalidate

English

Alternative forms

• confirme (obsolete)

Etymology

From Middle English confirmen, confermen, from Old French confermer, from Latin confirm?re (“to make firm, strenghten, establish”), from com- (“together”) + firmare (“to make firm”), from firmus (“firm”).

Pronunciation

• (Received Pronunciation) IPA^(key): /k?n?f??m/
• (General American) IPA^(key): /k?n?f?m/
• Rhymes: -??(?)m
• Hyphenation: con?firm

Verb

confirm (third-person singular simple present confirms, present participle confirming, simple past and past participle confirmed)

1. To strengthen; to make firm or resolute.
2. (transitive, Christianity) To administer the sacrament of confirmation on (someone).
   • 1971, Keith Thomas, Religion and the Decline of Magic, Folio Society 2012, p. 35:

     Elizabeth, daughter of Henry VIII, was baptized and confirmed at the age of three days.

3. To assure the accuracy of previous statements.

Synonyms

• (strengthen): See also Thesaurus:strengthen

Antonyms

• infirm
• disconfirm
• deny
• dispute
• contradict
• question

Related terms

• confirmability
• confirmation

Translations

See also

• verify
• corroborate
• establish
• prove

Further reading

• confirm in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• confirm in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• confirm at OneLook Dictionary Search

English

Etymology

From in- +? Latin valere (“to be strong”); literally, “to make not strong”.

Pronunciation

• (UK) IPA^(key): /??n?væl.?.de?t/

Verb

invalidate (third-person singular simple present invalidates, present participle invalidating, simple past and past participle invalidated)

1. To make invalid. Especially applied to contract law.

   The circuit court judge's ruling was invalidated by a superior judge.

Synonyms

• vitiate

Antonyms

• validate

Translations

Italian

Verb

invalidate

1. second-person plural present indicative of invalidare
2. second-person plural imperative of invalidare
3. feminine plural of invalidato