If you do something on tiptoe or on tiptoes, you do it standing or walking on the front part of your foot, without putting your heels on the ground. She leaned her bike against the stone wall and stood on tiptoe to peer over it. on tiptoe/on (your) tiptoes if you stand or walk on tiptoe, you stand or walk on your toes, in order to make yourself taller or in order to walk very quietly. tiptoed tiptoeing to walk quietly and carefully on your toes, so that nobody hears you
walking on the tips of ones's toes so as to make no noise; "moving with tiptoe steps"
the tip of a toe walk on one's toes walking on the tips of ones's toes so as to make no noise; "moving with tiptoe steps" on tiptoe or as if on tiptoe; "standing tiptoe
Being on tiptoe, or as on tiptoe; hence, raised as high as possible; lifted up; exalted; also, alert
If you tiptoe somewhere, you walk there very quietly without putting your heels on the floor when you walk. She slipped out of bed and tiptoed to the window
the tip of a toe walk on one's toes walking on the tips of ones's toes so as to make no noise; "moving with tiptoe steps"