fall in

Definitions of fall in
  1. verb
    break down, literally or metaphorically
    synonyms: break, cave in, collapse, founder, give, give way
    abandon, give up
    stop maintaining or insisting on; of ideas or claims
    burst, collapse
    cause to burst
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    go off, implode
    burst inward
    buckle, crumple
    fold or collapse
    fall loosely
    curl over and fall apart in surf or foam, of waves
    sink, slide down, slump
    fall or sink heavily
    type of:
    undergo a change; become different in essence; losing one's or its original nature
  2. verb
    to take one's place in a military formation or line
    “Troops fall in!”
  3. verb
    become part of; become a member of a group or organization
    synonyms: get together, join
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    sign up
    join a club, an activity, etc. with the intention to join or participate, "Sign up for yoga classes"
    band oneself, league together
    attach oneself to a group
    organise, organize, unionise, unionize
    form or join a union
    join in an affiliation
    join again
    infiltrate, penetrate
    enter a group or organization in order to spy on the members
    unify, unite
    act in concert or unite in a common purpose or belief
    unite to form a league
    federalise, federalize, federate
    unite on a federal basis or band together as a league
    join the military
    form a confederation with; of nations
    ally with
    unite formally; of interest groups or countries
    associate, consociate
    bring or come into association or action
    band together, confederate
    form a group or unite
    reunify, reunite
    unify again, as of a country
    conjoin, espouse, get hitched with, get married, hook up with, marry, wed
    take in marriage
    couple, pair, pair off, partner off
    form a pair or pairs
    unite with a common purpose
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