[ on-i-koh-fey-juh, -jee-uh ]
/ ˌɒn ɪ koʊˈfeɪ dʒə, -dʒi ə /

noun Psychiatry.

the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.


Can You Ace This Quiz About “Compliment” vs. “Complement”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.

Origin of onychophagia

1895–1900; < Greek onycho- (combining form of ónyx nail, claw; see onyx) + -phagia

OTHER WORDS FROM onychophagia

on·y·choph·a·gist [on-uh-kof-uh-jist] /ˌɒn əˈkɒf ə dʒɪst/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020