keep one's word

keep (one's) word

To do as one has promised. Tom always keeps his word, so if he promised to help you move, then he'll be here.
See also: keep, word
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep one's word

Honor one's promises, as in You can count on Richard; he'll keep his word. This expression employs word in the sense of "a promise," a usage dating from the late 1500s. For an antonym, see go back on.
See also: keep, word
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
The necessity to keep one's word to others only applies to normal earthly activities.