[ si-mat-ik ]
/ sɪˈmæt ɪk /

adjective Biology.

serving as a sign or warning of danger, as the conspicuous colors or markings of certain poisonous animals.

Origin of sematic

1885–90; < Greek sēmat- (stem of sêma) sign + -ic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sematic

British Dictionary definitions for sematic


/ (sɪˈmætɪk) /


(of the conspicuous coloration of certain animals) acting as a warning, esp to potential predators

Word Origin for sematic

C19: from Greek sēma a sign
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

Word Origin and History for sematic



"significant, indicative," 1890, from Greek semat-, comb. form of sema (genitive sematos) "sign" (see semantic) + -ic. Used especially in biology, in reference to "warning" colors, etc.

Online Etymology Dictionary, © 2010 Douglas Harper