or an·ti·sym·met·ri·cal

[ an-tee-si-me-trik or an-tee-si-me-tri-kuh l; an-tahy- ]
/ ˌæn ti sɪˈmɛ trɪk or ˌæn ti sɪˈmɛ trɪ kəl; ˌæn taɪ- /

adjective Mathematics.

noting a relation in which one element's dependence on a second implies that the second element is not dependent on the first, as the relation “greater than.”

Origin of antisymmetric

First recorded in 1920–25; anti- + symmetric Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for antisymmetric


/ (ˌæntɪsɪˈmɛtrɪk) /


logic (of a relation) never holding between a pair of arguments x and y when it holds between y and x except when x = y, as "…is no younger than…"See nonsymmetric
maths symmetric except for a change of signCompare asymmetric, symmetric (def. 1)
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