insuperableadjective
uk/ɪnˈsjuː.pər.ə.bəl/us/ɪnˈsuː.pɚ.ə.bəl/formal(especially of a problem) so great or severe that it cannot be defeated or dealt with successfully
Thesaurus: synonyms and related words
Serious and unpleasant
- abominable
- abysmal
- apocalyptic
- appalling
- awfully
- belief
- corrosive
- grim
- grisly
- grotesque
- gruesome
- hate
- noxious
- revolting
- rotten
- shitty
- shocking
- shockingly
- stinking
- wretched
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insuperably
adverb uk/ɪnˈsjuː.pər.ə.bli/us/ɪnˈsuː.pɚ.ə.bli/