Gratuitous
Gratuitous adjective - Not costing or charging anything.
Nonvalid and gratuitous are semantically related. In some cases you can use "Nonvalid" instead an adjective "Gratuitous".
Nearby Words: gratuity, gratuitously
Nonvalid
Nonvalid adjective - Having no basis in reason or fact.
Usage example: a nonvalid theory that most scientists rejected long ago
Gratuitous and nonvalid are semantically related. Sometimes you can use "Gratuitous" instead an adjective "Nonvalid".
Mutual synonyms
Cite this Source
Nonvalid and Gratuitous. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/gratuitous/nonvalid
Gratuitous & Nonvalid. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/gratuitous/nonvalid>.
Nonvalid or Gratuitous. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/gratuitous/nonvalid.
Google Ngram Viewer shows how "gratuitous" and "nonvalid" have occurred on timeline