noun
on tiptoe
or on (your) tiptoes
with your toes touching the ground and your heels raised up
verb
-toes; -toed; -toeing
[no obj] :to walk with your heels raised up and only your toes touching the ground
tiptoe around
[phrasal verb]
tiptoe around (something) :to avoid talking about (something) :to talk about (something) only in an indirect way
adverb
with your toes touching the ground and your heels raised up