Challenged
Challenged adjective - Deprived of the power to perform one or more natural bodily activities.
Invalid and challenged are semantically related In some cases you can use "Invalid" instead an adjective "Challenged".
Invalid
Invalid adjective - Chronically or repeatedly suffering from poor health.
Usage example: an old and now invalid woman who rarely gets out anymore
Challenged and invalid are semantically related in disabled topic. Sometimes you can use "Challenged" instead an adjective "Invalid".
Mutual synonyms
Related pairs
Both words in one sentence
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While in electronic Scrabble games, the computer typically won't let you play unapproved words, the judges at tournaments understand that this is a part of the game and will not point out that a word is invalid unless the word is challenged.
Source: Tabletop Game / Scrabble
Cite this Source
Invalid and Challenged. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/challenged/invalid
Challenged & Invalid. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/challenged/invalid>.
Invalid or Challenged. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/challenged/invalid.
Google Ngram Viewer shows how "challenged" and "invalid" have occurred on timeline