Insupportable is an adjective used for something that cannot be justifiedshown to be reasonable, acceptable, or morally right, explained, or defendedsupported with reasons against criticism or attack. It is a formalused in serious or official language rather than casual speech word and often appears in discussions of arguments, claims, or behavior.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˌɪn.səˈpɔr.tə.bəl/
Easy pronunciation: in-suh-POR-tuh-buhl (approximate spelling).
Stress: Primary stress on POR; secondary stress on the first syllable.
Used here in the sense of being impossible to justify or explain.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Insupportable Meaning
unable to be defended or made reasonable
Part of speech: adjective
Definition: incapable of being justified or explained
Example: The judge said the argument was insupportable and dismissed it immediately.
Synonyms for this meaning:
- indefensible — Very close in meaning when something cannot be defended or justified.
- unjustifiable — Works well for actions, decisions, or claims that cannot be reasonably defended.
- unwarrantable — A formal synonym for something not justified or not supported by good reason.
- unwarranted — Often used for criticism, claims, or reactions that have no good basis.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Insupportable Synonyms
Similar Meaning
- indefensible
- unjustifiable
- unwarrantable
- unwarranted
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Using insupportable to mean simply 'hard to bear' in modern everyday English; that older sense is not the one supported by the supplied dictionary data.
- Confusing insupportable with supportive or unsupportable; the standard meaning here is about justification, not physical support.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does insupportable mean?
Insupportable means impossible to justify or explain in a reasonable way.
What are synonyms of insupportable?
Good synonyms include indefensible, unjustifiable, unwarrantable, and unwarranted, depending on the context.
Is insupportable a common word?
It is fairly formal and less common in everyday speech, but it still appears in writing and serious discussion.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
