noun, plural fix·i·ties for 2.

the state or quality of being fixed; stability; permanence.
something fixed, stable, or permanent.

Origin of fixity

From the New Latin word fixitās, dating back to 1660–70. See fix, -ity
Related formsun·fix·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fixity

Historical Examples of fixity

British Dictionary definitions for fixity


noun plural -ties

the state or quality of being fixed; stability
something that is fixed; a fixture
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 fixity

1660s in physics; general use from 1791; see fix + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper