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Meaning of grim trigger | Babel Free

Noun CEFR B2

Definitions

A strategy that always cooperates as long as the opponent does not defect, in which case thereafter the strategy always defects.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

grim-gram grim-the-collier Grimace Grimaced Grimacer Grimaces