Answer: pushtheenvelope

AnswerCrossword Clue
PUSHTHEENVELOPEBe groundbreaking
PUSHTHEENVELOPEDare to exceed normal limits
PUSHTHEENVELOPETest limits
PUSHTHEENVELOPEMail carrier's pun (part 3)
PUSHTHEENVELOPEFlaunt boundaries
PUSHTHEENVELOPERefuse to accept limits
PUSHTHEENVELOPEBe edgy, in a way
PUSHTHEENVELOPEBe daring
PUSHTHEENVELOPEGo to an extreme
PUSHTHEENVELOPENot play it safe
PUSHTHEENVELOPETry to go beyond reasonable limits
PUSHTHEENVELOPEGo to extremes
PUSHTHEENVELOPEExplore new boundaries
PUSHTHEENVELOPEExceed normal boundaries
PUSHTHEENVELOPEStationer's resolution?
PUSHTHEENVELOPEBe innovative
PUSHTHEENVELOPEExceed accepted limits
PUSHTHEENVELOPEExceed normal limits
PUSHTHEENVELOPE... as a mail sorter?