General EnglishNorth AmericaUnited Kingdomneutralinformal
To act without permission or regard for accepted limits; to behave presumptuously or overstep appropriate boundaries, especially in personal conduct.
2.
General EnglishNorth AmericaUnited Kingdomneutralformalinformal
To make unauthorized or unwarranted alterations to a work, statement, or account; to depart from the original in a way that may be considered improper.