Thesaurus

invalid

adjective (1)

Synonyms & Antonyms of invalid

(Entry 1 of 3)

chronically or repeatedly suffering from poor health
  • an old and now invalid woman who rarely gets out anymore

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Antonyms for invalid

invalid

adjective (2)

Synonyms & Antonyms of invalid (Entry 2 of 3)

1 having no legal or binding force
  • the treaty is invalid once one side violates it

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Antonyms for invalid

2 not being in agreement with what is true
  • that's an invalid assumption on your part

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Antonyms for invalid

invalid

verb

Synonyms & Antonyms of invalid (Entry 3 of 3)

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Time Traveler for invalid

Time Traveler

The first known use of invalid was in 1542

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Thesaurus Entries Near invalid

in vain

invalid

invalidate

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Cite this Entry

“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 26 Oct. 2021.

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More from Merriam-Webster on invalid

Nglish: Translation of invalid for Spanish Speakers

Britannica English: Translation of invalid for Arabic Speakers

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