- standby - ready for emergency use; "a standby generator"; "a standby crew"
Antonym: primary (indirect, via secondary)
 
- standby - something that can be relied on when needed
--1 is a kind of thing
Derived form: verb stand by2  - 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  
- 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
- stand by, stick around, stick about - be available or ready for a certain function or service
 
--2 is one way to wait
Sample sentence:Derived forms: noun standby1, noun standby2 
They stand by a long time
- 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
 - stand by, stick around, stick about - be available or ready for a certain function or service