Answer: tiptoeing

AnswerCrossword Clue
TIPTOEINGProceeding cautiously
TIPTOEINGTrying to be quiet
TIPTOEINGTraversing the tulips?
TIPTOEINGStealthy activity
tiptoeingTIPTOE, to walk on the tips of one's toes, also TIPPYTOE
tiptoeingWalk quietly and carefully with one's heels raised and one's weight on the balls of the feet