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Definitions

critical mass

[krit-i-kuhl mas] / ˈkrɪt ɪ kəl ˈmæs /
NOUN
crucial point
Synonyms
WEAK
climax crisis crisis point critical juncture critical point critical stage crossroads crucial moment crunch time decisive moment defining moment do or die time emergency high noon irreversible momentum moment of truth pivotal point point of no return sink or swim time the Rubicon turning point zero hour

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.

Participants at the Santa Marta meeting believe the real purpose of the meeting is to show those who are hesitating about the transition that there is a critical mass moving in favour of renewables.

From BBC • Apr. 24, 2026

What happens next depends on whether this thing achieves a critical mass of meme status.

From Barron's • Apr. 16, 2026

With such fragmentation, it’s much harder for a negative storyline to reach critical mass.

From Los Angeles Times • Nov. 30, 2025

And male monopolies on power tend to be self-perpetuating: Only when a critical mass of women run and win does it begin to feel possible that women can run for office and win.

From Slate • Nov. 22, 2025

“But they’ll never achieve the same critical mass of awfulness ever again. Even at MTSU.”

From "The Serpent King" by Jeff Zentner