In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
invalidate, void, vitiate
(verb) take away the legal force of or render ineffective; “invalidate a contract”
invalidate, nullify
(verb) show to be invalid
cancel, invalidate
(verb) make invalid for use; “cancel cheques or tickets”
invalidate, annul, quash, void, avoid, nullify
(verb) declare invalid; “The contract was annulled”; “void a plea”
Source: WordNet® 3.1
invalidate (third-person singular simple present invalidates, present participle invalidating, simple past and past participle invalidated)
To make invalid. Especially applied to contract law.
• vitiate
• validate
Source: Wiktionary
In*val"i*date, v. t. [imp. & p. p. Invalidated; p. pr. & vb. n. Invalidating.] Etym: [From Invalid null.]
Definition: To render invalid; to weaken or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument.
Source: Webster’s Unabridged Dictionary 1913 Edition
28 June 2025
(adjective) having an allergy or peculiar or excessive susceptibility (especially to a specific factor); “allergic children”; “hypersensitive to pollen”
In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.