Allowable and Insupportable

Allowable

Allowable adjective - That may be permitted.

Insupportable is an antonym for allowable.

Insupportable

Insupportable adjective - More than can be put up with.
Usage example: the insupportable arrogance of that jerk is more than anyone should have to bear

Allowable is an antonym for insupportable.
Cite this Source
Insupportable and Allowable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/allowable/insupportable
Allowable & Insupportable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/allowable/insupportable>.
Insupportable or Allowable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/allowable/insupportable.
Google Ngram Viewer shows how "allowable" and "insupportable" have occurred on timeline