Find Antonyms

x Antonyms

Opposite of x

Pinning down the opposite of x requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
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• noun (Context 1)

A symbol used in algebra and mathematics to represent an unknown quantity or first variable, or by extension any unknown or unnamed person, factor, or thing.

Usage Example

"The students were asked to solve the quadratic equation for constant."

Strong
constant

Similar words to x

Words similar to x shift depending on context. Common synonyms include:

ex
ten
cross out
cross
strike out
unknown
variable
obliterate
See all synonyms of x

• Nearby Words

wuss
wussy
wye
x
xanthochroia
xanthochroic
xanthochroid

Cite this Entry

Wordmom. (2026). Antonyms for X. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/x
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