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Definition of undeterminable
undeterminable
/ˌʌndɪˈtɜːrmɪnəbəl/
un · de · ter · mi · na · ble
Adverb:undeterminably
undeterminable Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
6
undeterminable Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Impossible to definitely ascertain, calculate, or establish; not capable of being settled or decided.
Example
"Due to the severe degradation of the ancient parchment, the exact date of the manuscript remains undeterminable."
Synonyms
View all synonyms for undeterminable Antonyms
View all antonyms for undeterminableWord Nuance & Usage
'Undeterminable' is interchangeable with the more common variant 'indeterminable', though both should be distinguished from 'indeterminate', which means already vague or not yet fixed rather than impossible to ascertain.
• Rhymes for undeterminable
• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Undeterminable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/undeterminable