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

Antonyms & Near Antonyms

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

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

Due to their leadership, the company had a terrible, unsupportable business plan and compounded those issues by hiring an unsustainable workforce of 700 people. —Eric Berger, Ars Technica, 24 May 2023