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Definitions

defining moment

NOUN
very crucial moment
Synonyms
WEAK
climax critical moment crunch decisive moment kairos kairotic moment loaded moment moment of truth point of no return turning point

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Today marks the next phase of the Arm compute platform and a defining moment for our company.”

From Barron's • Mar. 24, 2026

Father James Martin: This was a defining moment for me.

From Slate • Feb. 21, 2026

The strike “would be a defining moment in the history of the coalfields,” Giardina said, “and Jackson made it clear where he stood.”

From Salon • Feb. 19, 2026

Ford's missed drop-goal proved a defining moment on Saturday, but his performances in the autumn and against Wales make it unlikely he will be dropped.

From BBC • Feb. 17, 2026

This was the defining moment in the correspondence.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis