Synonyms for invalid
ˈɪn və lɪd; Brit. -ˌlidin·valid

WiktionaryRate these synonyms:0.0 / 0 votes

1. invalid1

   Synonyms:
   nonvalid

   Antonyms:
   valid

Complete Dictionary of Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

1. invalid

   Synonyms:
   infirm, sick, weakly, frail, feeble

   Antonyms:
   strong, vigorous, healthy, well

Princeton's WordNetRate these synonyms:3.0 / 1 vote

1. invalid, shut-inadjective

   someone who is incapacitated by a chronic illness or injury

   Synonyms:
   shut-in

   Antonyms:
   binding, sound, well-grounded, unexpired, reasoned, valid, legal, effectual, legitimate, validated, logical

2. invalidadjective

   having no cogency or legal force

   "invalid reasoning"; "an invalid driver's license"

   Antonyms:
   legitimate, logical, valid, validated, binding, sound, legal, reasoned, unexpired, well-grounded, effectual

3. invalidverb

   no longer valid

   "the license is invalid"

   Antonyms:
   logical, well-grounded, unexpired, effectual, sound, reasoned, legal, legitimate, binding, valid, validated

4. invalidverb

   force to retire, remove from active duty, as of firemen

   Synonyms:
   disable, handicap, incapacitate

   Antonyms:
   validated, effectual, well-grounded, unexpired, legitimate, sound, valid, binding, legal, logical, reasoned

5. disable, invalid, incapacitate, handicapverb

   injure permanently

   "He was disabled in a car accident"

   Synonyms:
   incapacitate, handicap, disable, disenable, hamper, hinder

   Antonyms:
   well-grounded, valid, sound, legitimate, legal, binding, validated, unexpired, reasoned, logical, effectual

Matched Categories

1. • Remove

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. invalidadjective

   Synonyms:
   (Law.) void, null, of no legal force, null and void

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. invalidadjective

   Synonyms:
   null, void, of no efficacy, baseless, unfounded

2. invalidadjective

   Synonyms:
   valetudinary

3. invalidnoun

   Synonyms:
   valetudinarian

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "invalid":

   non-valid, null, invalids, in-valid, disabled, incorrect, impermissible, void, valid, ineffective, spoilt, invalidated, nil, zero, invalidity, nullity

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Words popularity by usage frequency

How to use invalid in a sentence?

1. Charlie Schulz:

   Nothing is invalid. Except bullying, invalidation and pineapple pizza.

2. Jay Sekulow:

   We believe the subpoenas at issue are not invalid, in light of the 2nd Circuit decision, we are evaluating our next options including seeking review at the Supreme Court of the United States.

3. Justice Potter Stewart:

   The right to defy an unconstitutional statute is basic in our scheme. Even when an ordinance requires a permit to make a speech, to deliver a sermon, to picket, to parade, or to assemble, it need not be honored when it’s invalid on its face.

4. Tanguy Van Overstraeten:

   If the judges come to the situation where Safe Harbour is not valid then it could be reopening the whole story and that, for many thousands of U.S. companies, would be very difficult because that could mean that in fact the basis of the transfer of data by them would be invalid.

5. Louis Uccellini:

   Still, it's important that we scrutinize questionable measurements and reject those that scientists deem invalid to ensure the public's continued confidence in the U.S. climate record.