for the most part; in the main: The work is mostly done.
chiefly; principally.
generally; customarily.

Origin of mostly

First recorded in 1585–95; most + -ly Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mostly

Contemporary Examples of mostly

Historical Examples of mostly

  • But mostly they hunt for this Andrew Lanning a dozen at a time.

  • He can't take things on trust, and he'll mostly take 'em, anyway.

  • He thought of many things, but mostly of the promise he had made his mother.


    Mary Roberts Rinehart

  • They were mostly Beadle's Dime Novels, which had a great sale at the time.

  • They average about the same as they do in anything else, mostly good, I think.


    W. A. Fraser

British Dictionary definitions for mostly



almost entirely; chiefly
on many or most occasions; usually
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