Definition of tread lightly
: to proceed carefully If you're thinking about asking for a raise, I advise you to tread lightly.
Word by Word Definitions
: to step or walk on or over
: to walk or proceed along : follow
: to beat or press with the feet : trample
: a mark (something, such as a footprint or the imprint of a tire) made by or as if by treading
: the action of treading
: an act or instance of treading : step
Seen and Heard
What made you want to look up tread lightly? Please tell us where you read or heard it (including the quote, if possible).