say it: TIP-toh
tiptoe is a noun, verb, adjective and adverb meaning "the tip of a toe". It carries 4 recorded senses.
on tiptoe or as if on tiptoe
“standing tiptoe”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for tiptoe come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.