Find Antonyms
undeterminable Antonyms
Opposite of undeterminable
Pinning down the opposite of undeterminable requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adjective definition and ranked by contrast strength.
• 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 determinable."
Strongest
determinable
ascertainable
Strong
calculable
measurable
definable
knowable
Similar words to undeterminable
Words similar to undeterminable shift depending on context. Common synonyms include:
indeterminable
unascertainable
incalculable
unknowable
immeasurable
indefinable
unquantifiable
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Undeterminable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/undeterminable