Adjective stand by has 1 sense
  1. standby - ready for emergency use; "a standby generator"; "a standby crew"
    Antonym: primary (indirect, via secondary)
,Noun stand by has 2 senses
  1. standby - something that can be relied on when needed
    --1 is a kind of thing
    Derived form: verb stand by2
  2. understudy, standby - an actor able to replace a regular performer when required
    --2 is a kind of actor, histrion, player, thespian, role player
    Derived form: verb stand by2
,Verb stand by has 3 senses
  1. stand by - not act or do anything; "He just stood by when the police beat up the demonstrators"
    --1 is one way to
    refrain, forbear
    Sample sentences:
    Something ----s
    Somebody ----s
  2. stand by, stick around, stick about - be available or ready for a certain function or service
    --2 is one way to wait
    Derived forms: noun standby1, noun standby2
    Sample sentence:
    They stand by a long time
  3. stand by, stick by, stick, adhere - be loyal to; "She stood by her husband in times of trouble"; "The friends stuck together through the war"
    --3 is one way to be
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
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