English-Thai Dictionary

invalidate

VT ทำให้ เป็น โมฆะ  ทำให้ ใช้ไม่ได้  nullify annul undo validate tam-hai-pen-mo-ka

 

invalidate

VT พิสูจน์ ให้ เห็น ว่า ไม่ จริง  หักล้าง  disprove refute pi-sud-hai-hen-wa-mai-jing

 

Webster's 1828 Dictionary

INVALIDATE

v.t.[from invalid. ] 1. To weaken or lessen the force of; more generally, to destroy the strength or validity of; to render of no force or effect; as, to invalidate an agreement or a contract.
2. To overthrow; to prove to be of no force; as, to invalidate an argument.

 

INVALIDATED

pp. Rendered invalid or of no force.

 

Webster's 1913 Dictionary

INVALIDATE

In *val "i *date, v. t. [imp. & p. p. Invalidated; p. pr. & vb. n.Invalidating. ] Etym: [From Invalid null. ]

 

Defn: 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.

 

New American Oxford Dictionary

invalidate

in val i date |inˈvaliˌdāt ɪnˈvæləˌdeɪt | ▶verb [ with obj. ] 1 make (an argument, statement, or theory ) unsound or erroneous. 2 deprive (an official document or procedure ) of legal efficacy because of contravention of a regulation or law: a technical flaw in her papers invalidated her nomination. DERIVATIVES in val i da tion |-ˌvaliˈdāSHən |noun, in val i da tor |-ˌdātər |noun ORIGIN mid 17th cent.: from medieval Latin invalidat- ‘annulled, ’ from the verb invalidare (based on Latin validus ‘strong ’).

 

Oxford Dictionary

invalidate

in |vali |date |ɪnˈvalɪdeɪt | ▶verb [ with obj. ] 1 make or prove (an argument, statement, or theory ) unsound or erroneous. 2 deprive (an official document or procedure ) of legal validity because it contravenes a regulation or law: a technical flaw in her papers invalidated her nomination. DERIVATIVES invalidation |-ˈdeɪʃ (ə )n |noun ORIGIN mid 17th cent.: from medieval Latin invalidat- ‘annulled ’, from the verb invalidare (based on Latin validus ‘strong ’).

 

American Oxford Thesaurus

invalidate

invalidate verb 1 the court invalidated the statute: render invalid, void, nullify, annul, negate, cancel, disallow, overturn, overrule; informal nix. 2 this case invalidates the general argument: disprove, refute, contradict, negate, belie, discredit, debunk; weaken, undermine, explode; informal poke holes in; formal confute.

 

Oxford Thesaurus

invalidate

invalidate verb 1 a low turnout invalidated the ballot: render invalid, void, nullify, annul, negate, cancel, quash, veto, overturn, overrule, override, undo, reverse; revoke, rescind, abolish, repeal, repudiate, terminate. ANTONYMS validate. 2 this case is exceptional, and does not invalidate the general argument: disprove, show /prove to be false, refute, explode, contradict, rebut, negate, gainsay, belie, give the lie to, discredit, expose, debunk, knock the bottom out of, drive a coach and horses through; weaken, undermine, compromise; informal shoot full of holes, shoot down (in flames ); formal confute, negative. ANTONYMS validate, support.

 

Sanseido Wisdom Dictionary

invalidate

in val i date /ɪnvǽlɪdèɪt /動詞 他動詞 …を無効 [無価値 ]にする ; …の法的効力を失わせる .