Definition of all–in
1 chiefly British : all-inclusive
2 chiefly British : being almost without restrictions all–in wrestling
Indulge Your Inner Word Nerd
1890
First Known Use of all–in
1890
ALL–IN Defined for English Language Learners
all-in
play
adjective
Definition of all–in for English Language Learners
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: very tired
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: allowing almost any technique or method
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