build in
B2 neutral separable transitive
In simple words
To make something a fixed part of something else so it can't easily be removed.
Literal meaning: To physically construct something inside another structure.
Meanings
1 B1 neutral
To construct something as a fixed, permanent part of a larger structure.
"They built in a bookcase on either side of the fireplace when they renovated."
Grammar: separable
2 B2 neutral
To include something as an integral part of a plan, system, or design.
"The project manager built in a two-week buffer for unexpected delays."
Grammar: separable
Usage notes
Used in both literal (construction, furniture) and figurative (planning, design) senses. The adjective 'built-in' is very common (e.g. 'built-in wardrobe', 'built-in safeguard').
Commonly used with
safeguard flexibility wardrobe feature delay assumption
Forms
Base
build in
I/you/we/they
3rd person
builds in
he/she/it
Past simple
built in
yesterday
Past participle
built in
have + pp
-ing form
building in
continuous
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