adaptation

noun

ad·​ap·​ta·​tion ˌa-ˌdap-ˈtā-shən 

-dəp-

1

: something that is adapted

a new adaptation of an old recipe

specifically : a composition rewritten into a new form

a screen adaptation of a novel

2

: the act or process of adapting

a process undergoing adaptation

: the state of being adapted

adaptation to changing circumstances

3

: adjustment to environmental conditions: such as

a

: adjustment of a sense organ to the intensity or quality of stimulation

b

: modification of an organism or its parts that makes it more fit for existence under the conditions of its environment : a heritable physical or behavioral trait that serves a specific function and improves an organism's fitness or survival

adaptational

ˌa-ˌdap-ˈtā-sh(ə-)nəl 

-dəp-

adjective

adaptationally adverb

Synonyms of adaptation

• adjustment
• adaption

Examples of adaptation in a Sentence

His stage adaptation of the novel was a success.

The film is an adaptation of a book of the same title.

The insect's evolutionary adaptations enable it to be almost invisible even when sitting in the middle of a leaf.

a tool designed for easy adaptation

Recent Examples on the Web

Earlier this year, the BBC’s The Other Bennet Sister—not strictly an Austen adaptation, but based on Janice Hadlow’s book of the same name, which was in turn inspired by Pride and Prejudice—became a word-of-mouth sensation. — Radhika Seth, Vogue, 13 July 2026

The third season of Graham Yost’s adaptation premieres on Apple TV July 3. — Dessi Gomez, Deadline, 13 July 2026

Authors would sometimes reap the fiscal benefits of their work, too, since self-publishing online could lead to a book’s publication in print (or, even better, a movie adaptation). — Literary Hub, 13 July 2026

Ashley Zehnder is the CEO of Fauna Bio, a company that searches for disease resistance therapies among mammals equipped with unique adaptations. — Ari Daniel, NPR, 13 July 2026

Word History

Etymology

borrowed from French & Medieval Latin; French, going back to Middle French, borrowed from Medieval Latin adaptātiōn-, adaptātiō, from Latin adaptāre "to adapt" + -tiōn-, -tiō, suffix of verbal action

First Known Use

1597, in the meaning defined at sense 2

Phrases Containing adaptation

• counter-adaptation
• dark adaptation
• light adaptation

Rhymes for adaptation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

adaptation

noun

ad·​ap·​ta·​tion ˌad-ˌap-ˈtā-shən 

-əp-

1

a

: the act or process of adapting

b

: the state of being adapted

2

: adjustment to environmental conditions: as

a

: adjustment of a sense organ to the degree or quality of stimulation

b

: change in an organism or its parts that fits it better for the conditions of its environment

also : a structure resulting from this change

3

: something that is adapted

especially : a composition rewritten into a new form

adaptational

-shnəl 

-shən-ᵊl

adjective

adaptationally

-ē

adverb

Medical Definition

adaptation

noun

ad·​ap·​ta·​tion ˌad-ˌap-ˈtā-shən, -əp- 

1

: the act or process of adapting : the state of being adapted

his ingenious adaptation of the electric cautery knife to … surgery

—George Blumer

2

: adjustment to environmental conditions: as

a

: adjustment of a sense organ to the intensity or quality of stimulation

b

: modification of an organism or its parts that makes it more fit for existence under the conditions of its environment compare adjustment sense 1b

adaptational

-shnəl, -shən-ᵊl 

adjective

adaptationally

-ē 

adverb