Ad hoc and Spontaneous

Ad hoc

Ad hoc adjective - Made or done without previous thought or preparation.
Usage example: upon learning that it was her birthday, we had an ad hoc celebration right there in the restaurant

Spontaneous and ad hoc are semantically related. In some cases you can use "Spontaneous" instead an adjective phrase "Ad hoc".

Spontaneous

Spontaneous adjective - Done instantly and without conscious thought or decision.

Ad hoc and spontaneous are semantically related. Sometimes you can use "Ad hoc" instead an adjective "Spontaneous".

Nearby Words: spontaneity, spontaneously
Cite this Source
Spontaneous and Ad hoc. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/ad_hoc/spontaneous
Ad hoc & Spontaneous. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/ad_hoc/spontaneous>.
Spontaneous or Ad hoc. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/ad_hoc/spontaneous.
Google Ngram Viewer shows how "ad hoc" and "spontaneous" have occurred on timeline