Cost-free
Spontaneous and cost-free are semantically related. In some cases you can use "Spontaneous" instead an adjective phrase "Cost-free".
Spontaneous
Spontaneous adjective - Done instantly and without conscious thought or decision.
Cost-free and spontaneous are semantically related. Sometimes you can use "Cost-free" instead an adjective "Spontaneous".
Nearby Words: spontaneity, spontaneously
Mutual synonyms
Cite this Source
Spontaneous and Cost-free. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/cost-free/spontaneous
Cost-free & Spontaneous. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/cost-free/spontaneous>.
Spontaneous or Cost-free. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/cost-free/spontaneous.