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undeterminable Synonyms

Another word for undeterminable

Choosing another word for undeterminable that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
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• adjective (Context 1)

Impossible to definitely ascertain, calculate, or establish; not capable of being settled or decided.

Usage Example

"Due to the severe degradation of the ancient parchment, the exact date of the manuscript remains indeterminable."

Strongest
indeterminable
unascertainable
Strong
incalculable
immeasurable
unknowable
indefinable
unquantifiable

Opposites of undeterminable

The opposite of undeterminable shifts depending on context. Common opposites include:

determinable
ascertainable
calculable
measurable
definable
knowable
See all opposites of undeterminable

• Nearby Words

undetectable
undetectably
undetected
undeterminable
undetermined
undeterred
undetonated

Cite this Entry

Wordmom. (2026). Synonyms for Undeterminable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/undeterminable
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