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Definition of ex

ex

/ɛks/
ex

Plural:exes
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ex Lexical Profile

ex Game Scores & Validity

• noun

1

A former spouse or romantic partner (informal).

Example

"She remains on friendly terms with her ex so they can co-parent effectively."


2

The spelled-out name of the twenty-fourth letter of the English alphabet (X).

Example

"Please mark the signature line with an ex so the client knows where to sign."

Synonyms
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• preposition

1

Without or not including a specified right, benefit, or charge, such as a dividend or interest (used chiefly in finance and commerce).

Example

"The company's shares are currently trading ex dividend on the stock exchange."


2

Sold directly from a specified location, such as a factory, warehouse, or ship, with the buyer assuming transport costs from that point.

Example

"The wholesale prices are quoted ex warehouse, so international shipping fees will be added separately."

Synonyms
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Antonyms
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• Rhymes for ex

Word Origin & Etymology

Borrowed directly from the Latin preposition 'ex', meaning 'out of' or 'from'; the informal noun sense referring to a former spouse or partner arose in the early 20th century as an independent shortening of compounds like 'ex-husband' and 'ex-wife'.

Cite this Entry


Wordmom. (2026). Definition of Ex. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ex
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