Synonyms of unendurable

unendurable

adjective

ˌən-in-ˈdu̇r-ə-bəl 

as in unbearable

more than can be put up with

people used to travel along this stretch of the highway by night so as to avoid the unendurable heat of the day

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of unendurable

Without which the last phase of my mum’s life would have been unendurable. — Geoff Dyer, Harpers Magazine, 28 Mar. 2025

The best among us rarely know what to say, how to look, how to be there for a friend who is enduring something unendurable. — Amanda Nguyen, TIME, 3 Mar. 2025

The 23-year-old captive’s parents showed all the anguish and anxiety that would befall anyone in their unendurable position. — Noah Rothman, National Review, 3 Sep. 2024

Both Nelson Mandela and John McCain said being placed in solitary was more painful and unendurable than any of the physical tortures their jailors imposed. — Dr. James Gilligan, New York Daily News, 18 Jan. 2024