idiosyncrasy

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idiosyncrasy

Wikipedia

First attested in 1604, in modern sense since 1665, from Ancient Greek ἰδιοσυγκρασία (idiosunkrasía, “one’s own temperament”), from ἴδιος (ídios, “one’s own”) + σύν (sún, “together”) + κρᾶσις (krâsis, “temperament”). Analyzable as idio- +‎ syn- +‎ -crasy.

• (Received Pronunciation) IPA^(key): /ˌɪdɪəʊˈsɪŋkɹəsi/, /ˌɪdɪəˈsɪŋkɹəsi/
• (General American) IPA^(key): /ˌɪdiəˈsɪŋkɹəsi/, /ˌɪdioʊˈsɪŋkɹəsi/

• Audio (General Australian):

  (file)

• Hyphenation: idio‧syn‧crasy

idiosyncrasy (plural idiosyncrasies)

1. A behavior or way of thinking that is characteristic of a person.
2. A language or behaviour that is particular to an individual or group.
3. (medicine) A peculiar individual reaction to a generally innocuous substance or factor.
4. A peculiarity that serves to distinguish or identify.

   He mastered the idiosyncrasies of English spelling and speech.

• eccentricity
• foible
• habit
• mannerism
• oddity
• quirk
• vagary

• idiosyncratic
• idiosyncratically

• “idiosyncrasy”, in The Century Dictionary , New York, N.Y.: The Century Co., 1911, →OCLC.
• “idiosyncrasy”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.