fall in - definition and synonyms

phrasal verb [intransitive]
present tense
I/you/we/theyfall in
he/she/itfalls in
present participlefalling in
past tensefell in
past participlefallen in
  1. 1
    if a roof or wall falls in, it falls to the ground
  2. 2
    literary if you fall in behind or beside someone, you start walking behind or beside them
  3.   From our crowdsourced Open Dictionary
    if soldiers fall in, they move to stand in a straight line or other regular formationSubmitted from United Kingdom on 02/11/2015
See also main entry: fall