fall in meaning and definition

FALL IN verb

Definition of fall in (verb)

1. break down, literally or metaphorically
   • "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"
   • synonyms: break, cave in, collapse, founder, give, give way
2. to take one's place in a military formation or line
   • "Troops fall in!"
3. become part of; become a member of a group or organization
   • "He joined the Communist Party as a young man"
   • synonyms: get together, join