definition of
get by

[1] #1 get by v. come to terms with; "We got by on just a gallon of gas"; "They made do on half a loaf of bread every day". wn

[2] #2 get by v. pass or move in front of; "Bride's Biscuit got by the other dogs to win the race". wn

[3] #3 get by v. escape potentially unpleasant consequences; get away with a forbidden action; "She gets away with murder!"; "I couldn't get out from under these responsibilities". wn