Good and Nonvalid

Opposite meaning words

Good adjective - Based on sound reasoning or information.

Usage example: had enough information to make a good assessment of the situation

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Nonvalid is an antonym for good.

Nearby Words: goodness, goodly, goody

Nonvalid adjective - Having no basis in reason or fact.

Usage example: a nonvalid theory that most scientists rejected long ago

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Good is an antonym for nonvalid.

Cite this Source

Nonvalid and Good. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/good/nonvalid

Good & Nonvalid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/good/nonvalid>.

Nonvalid or Good. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/good/nonvalid.

Google Ngram Viewer shows how "good" and "nonvalid" have occurred on timeline