Synonyms of unsupportable

unsupportable

adjective

ˌən-sə-ˈpȯr-tə-bəl 

as in unbearable

more than can be put up with

these high taxes are just unsupportable

Synonyms & Similar Words

• unbearable
• intolerable
• extreme
• intense
• insupportable
• overwhelming
• unacceptable
• unendurable
• insufferable
• harsh
• terrible
• painful
• uncomfortable
• crushing
• obnoxious
• horrible
• appalling
• disgusting
• vile
• sickening
• acute
• shocking
• horrifying
• dreadful
• repugnant
• gruesome
• horrid
• repulsive
• offensive
• odious
• loathsome
• horrendous
• excruciating
• distasteful
• revolting
• torturous
• wretched
• harrowing
• heinous
• noxious
• hard
• nightmarish
• unspeakable
• comfortless
• piercing
• nauseating
• tormenting

Antonyms & Near Antonyms

• sustainable
• tolerable
• supportable
• acceptable
• livable
• endurable
• reasonable
• adequate
• sufferable
• satisfactory
• allowable
• admissible

Example Sentences

Recent Examples of unsupportable

Someone in this case simply made up a novel but completely unsupportable theory. — Peter J Reilly, Forbes.com, 10 Apr. 2025

Calling for mass deportation instead of providing undocumented immigrants some clemency for their wrongdoing in light of such a history of lawbreaking and pardons involves a double standard that is morally unsupportable. — Andy J. Semotiuk, Forbes, 19 Dec. 2024

The complex math behind screening befuddled the researchers’ attempts to assess whether screening helped people live longer, leading to unsupportable conclusions. — Peter B. Bach, STAT, 7 Sep. 2023

Rumors of unsupportable expansion? — Antonia Quirke, Condé Nast Traveler, 5 May 2022