[ grey-deyt ]
/ ˈgreɪ deɪt /

verb (used without object), gra·dat·ed, gra·dat·ing.

to pass by gradual or imperceptible degrees, as one color into another.

verb (used with object), gra·dat·ed, gra·dat·ing.

to cause to gradate.
to arrange in grades.

Origin of gradate

First recorded in 1745–55; back formation from gradation
Related formsre·gra·date, verb, re·gra·dat·ed, re·gra·dat·ing.un·gra·dat·ed, adjectiveun·gra·dat·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gradate

British Dictionary definitions for gradate


/ (ɡrəˈdeɪt) /


to change or cause to change imperceptibly, as from one colour, tone, or degree to another
(tr) to arrange in grades or ranks
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 gradate



1753, back-formation from gradation. Related: Gradated; gradating.

Online Etymology Dictionary, © 2010 Douglas Harper