push back
• postpone or delay an event.
• "the show's start time has been pushed back 10 minutes"
• disagree with or oppose an action or proposal.
• "it's important to push back and say that I'm the one who needs to manage the process"
• (of a passenger aircraft) move backwards from a passenger terminal before taking off.
• "the nose gear of the plane failed just after the aircraft pushed back from the gate"
pushback
noun
• a negative or unfavourable reaction or response.
• "we got some pushback on the new pricing"
• (at an airport) the process of moving an aircraft from a passenger terminal to a runway or taxiway.
• "rules about having all passengers seated before pushback from the gate are not always followed"
