Answer: tripup

AnswerCrossword Clue
TRIPUPCause to make a mistake
TRIPUPCatch in a lie, e.g.
TRIPUPCause to stumble
TRIPUPCatch in a lie
TRIPUPCause to stumble.
TRIPUPStumble.
TRIPUPThrow off balance
TRIPUPCatch in a blunder
TRIPUPLeave without a leg to stand on
TRIPUPTrick
TRIPUPCause to err
TRIPUPFoil
TRIPUPCause to blunder
TRIPUPCause to fall
TRIPUPExpose in a blunder
TRIPUPCatch in a contradiction