atiptoe [ uh-tip-toh ]
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: First recorded in 1570–80; a- + tiptoe
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