Extinct
Extinct adjective - No longer existing.
Thing of the past and extinct are semantically related. In some cases you can use "Thing of the past" instead an adverb "Extinct".
Nearby Word: extinction
Thing of the past
Extinct and thing of the past are semantically related. Sometimes you can use "Extinct" instead an adverb phrase "Thing of the past".
Mutual synonyms
Both terms in one sentence
- Never mind the fact that humans were reviving extinct species way back in the late 90s, the Terran Systems Alliance has basically mastered genetic engineering to the point that the problems that plagued the original park are a thing of the past.
Source: Fan Fic / Tyrant Kings
Cite this Source
Thing of the past and Extinct. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/extinct/thing_of_the_past
Extinct & Thing of the past. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/extinct/thing_of_the_past>.
Thing of the past or Extinct. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/extinct/thing_of_the_past.