"tiptoe" in the noun sense
the tip of a toe
"tiptoe" in the verb sense
1. tiptoe, tip, tippytoe
walk on one's toes
"tiptoe" in the adjective sense
walking on the tips of ones's toes so as to make no noise
"moving with tiptoe steps"
"tiptoe" in the adverb sense
on tiptoe or as if on tiptoe
Source: WordNet® (An amazing lexical database of English)
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