Gratuitous
Gratuitous adjective - Not costing or charging anything.
Usage example: they will throw in a gratuitous box of chocolates when you spend $30 or more in their shop
Optional and gratuitous are semantically related. In some cases you can use "Optional" instead an adjective "Gratuitous".
Nearby Words: gratuity, gratuitously
Optional
Optional adjective - Subject to one's freedom of choice.
Gratuitous and optional are semantically related. Sometimes you can use "Gratuitous" instead an adjective "Optional".
Nearby Words: option, optionally
Mutual synonyms
Related pairs
- volunteer and gratuitous
- volunteer and optional
- free and gratuitous
- free and optional
- wanton and gratuitous
- wanton and optional
- unessential and gratuitous
- unessential and optional
- nonessential and gratuitous
- nonessential and optional
- spontaneous and gratuitous
- spontaneous and optional
- dispensable and gratuitous
- dispensable and optional
Both words in one sentence
- Similarly to the books of A Song of Ice and Fire there are many scenes of gratuitous nudity, (optional) sex, rape and references to rape, slavery, and often cases of Anyone Can Die.
Source: Homage - Much like the books, gratuitous amounts of nudity and (optional) sex are abound, as well as hints of Anyone Can Die.
Source: Video Game / A Dance with Rogues - Knights of the Old Republic hangs a lampshade on this with an optional subquest where you can get the Sand People's storyteller to tell you their oral history (including a gratuitous bit about Tatooine being the original human homeworld).
Source: Exposition Break
Cite this Source
Optional and Gratuitous. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/gratuitous/optional
Gratuitous & Optional. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/gratuitous/optional>.
Optional or Gratuitous. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/gratuitous/optional.
Google Ngram Viewer shows how "gratuitous" and "optional" have occurred on timeline