incommensurate

If one thing is incommensurate with another, it doesn't fit or is out of proportion. If your expensive meal doesn't taste very good, you could say its quality is incommensurate with its cost.

Things that are incommensurate just don't match — they're disproportionate or off-kilter. Your little brother's loud mouth might be incommensurate with his tiny size, and your small appetite could be incommensurate with the enormous banana split in front of you. The commensurate part of this word comes from the Late Latin commensuratus, literally "measured with," or "equal," and the prefix in- means "not."

Definitions of incommensurate
1

adj not corresponding in size or degree or extent

“a reward incommensurate with his effort”
Synonyms:
disproportionate
not proportionate
incommensurable
not having a common factor
unequal
poorly balanced or matched in quantity or value or measure
Antonyms:
commensurate
corresponding in size or degree or extent
coextensive, conterminous, coterminous
being of equal extent or scope or duration
commensurable
capable of being measured by a common standard
proportionate
agreeing in amount, magnitude, or degree
equal
having the same quantity, value, or measure as another
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