fall_in
1. [ verb ] break down, literally or metaphorically
Synonyms: collapse cave_in give give_way founder break
Examples:

"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"

Related terms: change flop buckle slump break implode abandon collapse cave_in
2. [ verb ] (military) to take one's place in a military formation or line
Examples:

"Troops fall in!"

3. [ verb ] become part of; become a member of a group or organization
Synonyms: join get_together
Examples:

"He joined the Communist Party as a young man"

Related terms: unite rejoin sign_up unionize infiltrate affiliate band_oneself affiliate joiner
Similar spelling:   Fallin
  Fallon
  fallen
  fill_in