Onychotillomania

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A compulsion for picking and tearing at one's fingernails or toenails. uncountable

Etymology

From Ancient Greek ὄνυξ (ónux, “nail”) (compare onycho-) + τίλλω (tíllō, “to pluck”) + -mania.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.