Definition of Invalidate

Babylon English Dictionary
annul; disprove; neutralize; disqualify
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Invalidate Definition from Arts & Humanities Dictionaries & Glossaries
English-Latin Online Dictionary
infirmo
Invalidate Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(v. t.)
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.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

invalidate
\in*val"i*date\ (?), v. t. [imp. & p. p. invalidated (?); p. pr. & vb. n. invalidating.] [from invalid null.] 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.
invalidate
v
1. declare invalid; "the contract was annulled"; "avoid a plea" [syn: annul, quash, void, avoid, nullify]
[ant: validate]

2. of cheques or tickets [syn: cancel]


3. show to be invalid [syn: nullify]
[ant: validate]

4. take away the legal force of or render ineffective; "invalidateas a contract" [syn: void, vitiate]
[ant: validate]


for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
To render of no force or effect.
WordNet 2.0

Verb
1. declare invalid; "The contract was annulled"; "void a plea"
(synonym) annul, quash, void, avoid, nullify
(antonym) validate, formalize, formalise
(hypernym) cancel, strike down
(hyponym) break
(derivation) annulment, invalidation
2. of cheques or tickets
(synonym) cancel
(hypernym) score, mark
3. show to be invalid
(synonym) nullify
(antonym) validate
(hypernym) negate, contradict
4. take away the legal force of or render ineffective; "invalidateas a contract"
(synonym) void, vitiate
(antonym) validate
(hypernym) change, alter, modify
(derivation) annulment, invalidation
Invalidate Definition from Computer & Internet Dictionaries & Glossaries
JDK Doc(JAVA)
- Method in class java.awt.Component 
public void invalidate ()
Invalidates this component. This component and all parents above it are marked as needing to be laid out. This method can be called often, so it needs to execute quickly.Since: JDK1.0See Also:  validate() , doLayout() , LayoutManager
- Method in class java.awt.Container 
public void invalidate ()
Invalidates the container. The container and all parents above it are marked as needing to be laid out. This method can be called often, so it needs to execute quickly.Overrides: invalidate in class Component See Also:  validate() , layout() , LayoutManager
- Method in class javax.swing.CellRendererPane 
public void invalidate ()
Overridden to avoid propogating a invalidate up the tree when the cell renderer child is configured.Overrides: invalidate in class Container Tags copied from class: Container  See Also:  Container.validate() , Container.layout() , LayoutManager