[ on-uh-mas-tik ]
/ ˌɒn əˈmæs tɪk /


of or relating to proper names.
of or relating to onomastics.
Law. (of a signature) written in the handwriting other than that of the document, instrument, etc., to which it is appended.


How Hip Is Your Lingo? Take Our Slang Quiz!
If you aren’t already skilled in slang, then this quiz can get you up to speed in no time!
Question 1 of 11
OK Boomer can be perceived as pejorative, but it is mostly considered to be _____

Origin of onomastic

1600–10; < Greek onomastikós, derivative of onomázein to name; see -tic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for onomastic

/ (ˌɒnəˈmæstɪk) /


of or relating to proper names
law denoting a signature in a different handwriting from that of the document to which it is attached

Word Origin for onomastic

C17: from Greek onomastikos, from onomazein to name, from onoma name
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012