Antonyms for valid
ˈvæl ɪdvalid

WiktionaryRate these synonyms:1.0 / 1 vote

1. validadjective

   Antonyms:
   invalid

2. validadjective

   I will believe him as soon as he offers a valid answer.

   Antonyms:
   invalid

3. validadjective

   Antonyms:
   invalid

4. validadjective

   Antonyms:
   invalid

5. validadjective

   A formula or system that evaluates to true regardless of the input values.

   Antonyms:
   invalid

   Synonyms:
   tautological

6. validadjective

   An argument is valid if and only if the set consisting of both (1) all of its premises and (2) the contradictory of its conclusion is inconsistent.

   Antonyms:
   invalid

English Synonyms and AntonymsRate these synonyms:2.3 / 3 votes

1. valid

   Antonyms:
   abortive, baseless, bootless, deceitful, delusive, empty, fruitless, futile, idle, inconstant, ineffectual, nugatory, null, profitless, shadowy, trifling, trivial, unavailing, unimportant, unprofitable, unreal, unsatisfying, unserviceable, unsubstantial, useless, vain, vapid, visionary, worthless

   Synonyms:
   adequate, advantageous, beneficial, competent, effective, efficient, expedient, potent, powerful, profitable, real, serviceable, solid, sound, substantial, sufficient, useful, valuable, worthy

Complete Dictionary of Synonyms and AntonymsRate these synonyms:3.3 / 3 votes

1. valid

   Antonyms:
   weak, invalid, powerless, unsound, unsubstantial, unavailable, inefficient, insufficient, inoperative, obsolete, effete, superseded, inconclusive

   Synonyms:
   strong, powerful, cogent, weighty, sound, substantial, available, efficient, sufficient, operative, conclusive

Princeton's WordNetRate these antonyms:1.0 / 2 votes

1. validadjective

   well grounded in logic or truth or having legal force

   "a valid inference"; "a valid argument"; "a valid contract"

   Antonyms:
   fallacious, invalidated, null, expired, sophistical, uncollectible, bad, nullified, false, unsound, invalid, sophistic, void

2. validadjective

   still legally acceptable

   "the license is still valid"

   Antonyms:
   sophistical, expired, uncollectible, invalid, bad, nullified, invalidated, unsound, false, sophistic, null, fallacious, void

Synonyms, Antonyms & Associated WordsRate these synonyms:4.0 / 2 votes

1. validadjective

   Antonyms:
   invalid

   Synonyms:
   cogent, logical, justifiable, efficacious, well-grounded

How to use valid in a sentence?

1. Brad Adams:

   Its findings are still valid.

2. Med Jones:

   Gold belongs with a class of speculative investments and should be kept to a minimum in long-term investment portfolios. This statement is valid until the world adopts gold as the main component of a new international currency.

3. Mohannad Aama:

   Fears of a global recession are valid and fears about China are valid, and they will put some downward pressure on stocks in general, so I do expect 2016 to be negative, but not by much.

4. Helen Merrell Lynd:

   Our whole life is an attempt to discover when our spontaneity is whimsical, sentimental irresponsiblity and when it is a valid expression of our deepest desires and values.

5. Australian Department of Agriculture:

   The Department of Agriculture and Water Resources will be investigating the circumstances, including airline procedures, that led to the dog arriving in Australia, dogs imported to Australia must be accompanied by a valid import permit, and have undergone relevant testing and health checks signed off by a government veterinarian from the exporting country.

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