Indefensible and Insupportable

Indefensible

Indefensible adjective - Too bad to be excused or justified.
Usage example: the city's lack of preparedness for a major natural disaster was utterly indefensible

Insupportable is a synonym for indefensible in untenable topic. In some cases you can use "Insupportable" instead an adjective "Indefensible", when it comes to topics like inexcusable, unforgivable. popular alternative

Nearby Words: indefensibly, indefensibility

Insupportable

Insupportable adjective - Too bad to be excused or justified.
Usage example: the organization's racist views have been denounced as morally insupportable

Indefensible is a synonym for insupportable in unjustifiable topic. You can use "Indefensible" instead an adjective "Insupportable". popular alternative
Cite this Source
Insupportable and Indefensible. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/indefensible/insupportable
Indefensible & Insupportable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/indefensible/insupportable>.
Insupportable or Indefensible. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/indefensible/insupportable.
Google Ngram Viewer shows how "indefensible" and "insupportable" have occurred on timeline