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."
separable
build in
B2 neutral separable transitive
To include something as a permanent or integral part of a design, structure, or plan.
In plain English
To make something a fixed part of something else so it can't easily be removed.
What does "build in" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
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."
separable
Literal vs figurative
Words literally mean
To physically construct something inside another structure.
Actually means
To make something a fixed part of something else so it can't easily be removed.
Usage tip
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').
Words that pair with "build in"
Natural word combinations native speakers use most often.
safeguard flexibility wardrobe feature delay assumption
How to conjugate "build in"
The five tense forms you'll use most often.
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
Hear "build in" in the wild
Listen to native speakers using "build in" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
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