incubate

verb

in·​cu·​bate ˈiŋ-kyə-ˌbāt How to pronounce incubate (audio)
ˈin-
incubated; incubating
Synonyms of incubatenext

transitive verb

1
a
: to sit on (eggs) so as to hatch by the warmth of the body
b
: to maintain (something, such as an embryo or a chemically active system) under conditions favorable for hatching, development, or reaction
2
: to cause or aid the development of
incubate an idea

intransitive verb

1
: to sit on eggs
2
: to undergo incubation : develop
incubative adjective
incubatory
ˈiŋ-kyə-bə-ˌtȯr-ē How to pronounce incubate (audio)
-ˌbā-tə-rē
ˈin-
adjective

Examples of incubate in a Sentence

The female bird incubates the eggs. Researchers incubated the cells in the laboratory. The cultures must incubate for five more days. The virus will incubate in the body for several days before the patient experiences any symptoms.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With the business now thriving, Schlesser recently decided to follow through on his long-incubating plan to transform the vacant retail space next door into The Lounge. Pam Kragen, San Diego Union-Tribune, 4 Dec. 2025 Entrepreneur and producer Jack Davis has launched Tamarisk Lane, a new holding company that will invest in early-stage consumer brands, incubate new ventures, and advise major media and entertainment partners on strategy and growth. Mike Fleming Jr, Deadline, 3 Dec. 2025 After being artificially fertilized and incubated in tanks, the spat -- or young oysters -- are transferred to the sea. Arkansas Online, 1 Dec. 2025 The show famously incubated several high-profile inter-cast relationships, including one between Green and Thiessen that lasted from 1992 to 1995. Ryan Coleman, Entertainment Weekly, 27 Nov. 2025 See All Example Sentences for incubate

Word History

Etymology

Latin incubatus, past participle of incubare, from in- + cubare to lie

First Known Use

1641, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of incubate was in 1641

Browse Nearby Words

Cite this Entry

“Incubate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incubate. Accessed 11 Dec. 2025.

Kids Definition

incubate

verb
in·​cu·​bate ˈiŋ-kyə-ˌbāt How to pronounce incubate (audio)
ˈin-
incubated; incubating
1
: to sit on eggs to hatch them by warmth
2
: to maintain (as bacteria or a chemically active system) under conditions good for development or reaction
3
: to go through the process of incubation

Medical Definition

incubate

verb
in·​cu·​bate ˈiŋ-kyə-ˌbāt, ˈin- How to pronounce incubate (audio)
incubated; incubating

transitive verb

1
: to maintain (as eggs, embryos of animals, or bacteria) under prescribed and usually controlled conditions favorable for hatching or development especially in an incubator
2
: to maintain (a chemically active system) under controlled conditions for the development of a reaction

intransitive verb

: to undergo incubation
the cultures incubated for five days

More from Merriam-Webster on incubate

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!