adaptive

adjective

adap·​tive ə-ˈdap-tiv 

a-

1

: providing, contributing to, or marked by adaptation : arising as a result of adaptation

… left ventricular hypertrophy should not be considered solely an adaptive response to an increased ventricular workload.

—Edward D. Frohlich et al.

An effort to identify the healthy adaptive need that is being met by a patient's behavior can result in increased empathy for the patient.

—Thomas O. Brackett

specifically : of, relating to, or being a heritable trait that serves a specific function and improves an organism's fitness or survival

Webbed feet is an adaptive trait in aquatic animals.

2

a

: designed or intended to assist disabled persons : assistive

adaptive devices

b

: engaged in by disabled persons with the aid of equipment or techniques adapted for a disability

adaptive skiing

c

: participating in a sport with the aid of equipment or techniques adapted for disability

an adaptive skier

adaptively adverb

adaptiveness noun

adaptivity

ˌa-ˌdap-ˈti-və-tē 

noun

Examples of adaptive in a Sentence

Recent Examples on the Web

Our innate immune system is what responds quickly to novel pathogens or biological threats – as opposed to our adaptive immune system, which is more like the memory center that recognizes previous bugs and mounts a slower attack. — New Atlas, 1 Nov. 2026

By then adaptive reuse was no longer merely a tactic for saving old buildings. — Julian Rose, Artforum, 1 Nov. 2026

The adaptive layer connects that drop to data in other systems. — Greg Genung, Forbes.com, 30 Oct. 2026

The Nordic model offers a glimpse of the adaptive solutions that may sustain NATO through uncertain times. — Foreign Affairs, 30 Oct. 2026

Word History

Etymology

adapt + -ive

First Known Use

1760, in the meaning defined at sense 1

Phrases Containing adaptive

• adaptive cruise control
• adaptive optics
• adaptive radiation
• counter-adaptive

Rhymes for adaptive

• captive
• maladaptive

Medical Definition

adaptive

adjective

adap·​tive ə-ˈdap-tiv 

1

: capable of, suited to, or contributing to adaptation

… adaptive traits that enhance survival and diversification of species …

—Science News

2

a

: used to assist a person with a disability in performing a certain task or activity : assistive

Adaptive equipment might include Braille keyboards, voice synthesizers and adjustable-height computer tables.

—Stuart Gordon, The Modesto (California) Bee

b

: engaged in by disabled persons with the aid of equipment or techniques adapted for a disability

It is called wheelchair basketball, an adaptive sport for disabled people …

—James Nix, The Independent Tribune (Concord, North Carolina)

c

: participating in a sport with the aid of equipment or techniques adapted for a disability

… adaptive skiers cranking down the mountain in their ski chairs …

—Moira McCarthy, The Boston Herald

adaptively adverb

adaptiveness noun