Tiptoe

Part of speech: noun (n.)

The end, or tip, of the toe. He must . . . stand on his typtoon [tiptoes]. Chaucer. Upon his tiptoes stalketh stately by. Spenser. To be, or To stand, a tiptoe or on tiptoe, to be awake or alive to anything; to be roused; to be eager or alert; as, to be a tiptoe with expectation.

Part of speech: verb (v.)

To step or walk on tiptoe.

Part of speech: adjective (a.)

1. Being on tiptoe, or as on tiptoe; hence, raised as high as possible; lifted up; exalted; also, alert. Night's candles are burnt out, and jocund day Stands tiptoe on the misty mountain tops. Shak. Above the tiptoe pinnacle of glory. Byron.

2. Noiseless; stealthy. "With tiptoe step." Cowper. Tiptoe mirth, the highest degree of mirth. Sir W. Scott.