Yahoo Web Search

Search results

1. Dictionary

   invalid

   /ɪnˈvalɪd/

   adjective

   • 1. (of an official document or procedure) not legally recognized because it contravenes a regulation or law: "the will was declared invalid and the children were entitled to the estate" Similar voidlegally voidnullnull and voidunenforceablenot bindinginoperativeworthlessillegitimateincorrectimproperunacceptableinapplicableannullednullifiedcancelledrevokedrescindedabolishedrepealedOpposite validbinding
   • ▪ (especially of an argument, statement, or theory) not true because based on erroneous information or unsound reasoning: "a comparison is invalid if we are not comparing like with like" Similar falseuntrueinaccuratefaultyfallaciousspuriousinadequateunconvincingunsoundweakwrongwrongly inferredwide of the markoff targetunjustifiedunsubstantiatedunwarranteduntenablebaselessill-foundedunfoundedgroundlessillogicalirrationalunscientificabsurdpreposterousinconsistentinformal:off beamoutway outfull of holesbogusOpposite trueaccurate
   • ▪ (of computer instructions, data, etc.) not conforming to the correct format or specifications.

   Word Origin mid 16th century (earlier than valid): from Latin invalidus, from in- ‘not’ + validus ‘strong’ (see valid).

   Derivatives

   • 1. invalidly adverb

   Scrabble Points: 11

   • I

     1

   • N

     1

   • V

     4

   • A

     1

   • L

     1

   • I

     1

   • D

     2

   Powered by Oxford Dictionaries

   More definitions, origin and scrabble points

2. www.merriam-webster.com › dictionary › invalidInvalid Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › invalid

   • Cached

   Learn the various meanings and uses of the word invalid, as an adjective, noun, or verb. Find synonyms, examples, etymology, and related words for invalid.

3. dictionary.cambridge.org › dictionary › englishINVALID | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   An invalid document, ticket, law, etc. is not legally or officially acceptable: I'm afraid your driving licence is invalid in Eastern Europe. An invalid opinion, argument, etc. is not correct, usually because it is not logical or not based on correct information: an invalid argument.

4. www.dictionary.com › browse › invalidINVALID Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › invalid

   • Cached

   noun. an infirm or sickly person. a person who is too sick or weak to take care of their own needs: My father was an invalid the last ten years of his life. Archaic. a member of the armed forces disabled for active service. adjective. unable to care for oneself due to infirmity or disability: his invalid sister. of or for invalids: invalid diets.

5. www.collinsdictionary.com › dictionary › englishINVALID definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   Learn the meaning, pronunciation, and usage of the word 'invalid' in British and American English. Find synonyms, antonyms, examples, and related words for 'invalid'.

6. www.vocabulary.com › dictionary › invalidInvalid - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › invalid

   A person who is very sick or injured and needs frequent care is an invalid. Also, something no longer current or useful is invalid. The main uses of this word have to do with people and things that don't work very well anymore. A driver's license that has expired is invalid — it needs to be renewed. If you lost your health insurance, it's ...

7. www.thefreedictionary.com › invalidInvalid - definition of invalid by The Free Dictionary

   www.thefreedictionary.com › invalid

   • Cached

   Learn the meaning and usage of the word invalid as a noun, adjective, and verb. Find out the difference between invalid and invalide, and see examples and translations in various contexts.

8. dictionary.cambridge.org › dictionary › learner-englishINVALID | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

   • Cached

   Learn the meaning of invalid as a noun and an adjective, and see how to use it in different contexts. Find translations of invalid in various languages, such as Chinese, Spanish, Portuguese, and more.