atiptoe

atiptoe [uh-tip-toh] Word Origin adverb, adjective

1. standing or walking on tiptoe (usually used predicatively).
2. eagerly expectant, as anticipating a desired event or arrival: waiting atiptoe for the mail.
3. moving with caution or stealth, as avoiding calling attention to one’s presence: She walked atiptoe through the sleeping house.

Origin of atiptoe First recorded in 1570–80; a-1 + tiptoe