built-in
1 of 2adjective
ˈbilt-ˈin 
1
a
: forming an integral part of a structure or object
a camera with a built-in flash
especially : constructed as or in a recess in a wall
a built-in bookshelf
b
: built into the ground
a built-in swimming pool
2
a
: inherent
a built-in advantage
b
: already established
her best-seller status gave her a built-in audience
built-in
2 of 2noun
ˈbilt-ˌin
: a built-in piece of furniture
Synonyms
Adjective
- constitutional
- constitutive
- essential
- hardwired
- immanent
- inborn
- inbred
- indigenous
- ingrain
- ingrained
- engrained
- inherent
- innate
- integral
- intrinsic
- native
- natural
See all Synonyms & Antonyms 
Example Sentences
Recent Examples on the Web
Cody Godwin, USA TODAY, 18 Feb. 2023 The perfect balance of support and plushness, this memory foam mattress in a box has built-in cooling technology and breathable construction to keep you comfortable all night long. —Samantha Jones, Good Housekeeping, 17 Feb. 2023 This wallet also features built-in RFID-blocking materials indicated by a small tag on the inside. —Mike Richard, Men's Health, 16 Feb. 2023
Noun
How to add effects on iMessage iMessage has built-in effects that can add some extra pizazz when messaging between Apple devices. —Cody Godwin, USA TODAY, 18 Feb. 2023 The perfect balance of support and plushness, this memory foam mattress in a box has built-in cooling technology and breathable construction to keep you comfortable all night long. —Samantha Jones, Good Housekeeping, 17 Feb. 2023 This wallet also features built-in RFID-blocking materials indicated by a small tag on the inside. —Mike Richard, Men's Health, 16 Feb. 2023 Word History
First Known Use
Adjective
1898, in the meaning defined at sense 1a
Noun
1919, in the meaning defined above
Kids Definition
built-in
adjectiveˈbil-ˈtin
1
: forming a permanent part of a structure or object
built-in bookcases
2
: built into the ground
a built-in swimming pool
built-in
adjective
as in intrinsic
being a part of the innermost nature of a person or thing a poker player with a seemingly built-in ability to read his opponents' faces Synonyms & Similar Words
Relevance
- intrinsic
- inherent
- integral
- essential
- hardwired
- innate
- natural
- native
- internal
- inner
- constitutional
- inherited
- basic
- hereditary
- inborn
- indigenous
- distinctive
- ingrained
- constitutive
- fundamental
- inbred
- characteristic
- immanent
- elemental
- in one's blood
- congenital
- engrained
- peculiar
- ingrain
- interior
- typical
- deep-rooted
- regular
- normal
- habitual
- inveterate
- inmost
Antonyms & Near Antonyms
- extrinsic
- extraneous
- foreign
- adventitious
- accidental
- external
- alien
- surface
- incidental
- acquired
- coincidental
- superficial
- exterior
- adscititious
- mean deviation
- mean difference
- mean distance
- mean error
- mean free path
- mean life
- mean line
- mean midnight
- mean moon
- mean no offense
- mean noon
- mean nothing to
- mean nothing to (someone)
- mean nothing to someone
- mean obliquity
- mean place
- mean proportional
- mean reserve
- mean sea level
- mean solar day
- mean something to
- barbareas
- Barbaresco
- barbaresque
- barbarian