build in

build in idiom
Also, build into. Construct or include as an integral part; also, make automatic, concomitant, or inherent. For example, Frank Lloyd Wright liked to build in as much furniture as possible, not just bookcases but desks, tables, and the like, or We've got to build some slack into the schedule for this project. The literal usage referring to physical objects dates from the late 1920s. The figurative arose a decade or so later. Both are frequently used in past participle form, that is, built in.

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.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.