a suffix used in forming adjectives from verbs and nouns: aquatic, enzymatic.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for -atic
suffix forming adjectives
of the nature of the thing specifiedproblematic
Word Origin for -atic
from French -atique, from Greek -atikos
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