disintegrate

verb

dis·​in·​te·​grate (ˌ)dis-ˈin-tə-ˌgrāt 

disintegrated; disintegrating; disintegrates

transitive verb

1

: to break or decompose into constituent elements, parts, or small particles

water disintegrates the limestone

2

: to destroy the unity or integrity (see integrity sense 3) of

The lies disintegrated their marriage.

intransitive verb

1

: to break or separate into constituent elements or parts

The iron hinges were disintegrating into dust.

2

: to lose unity or integrity by or as if by breaking into parts

The relationship started to disintegrate.

3

: to undergo a change in composition (see composition sense 2)

an atomic nucleus that disintegrates because of radioactivity

disintegrative

(ˌ)dis-ˈin-tə-ˌgrā-tiv 

adjective

disintegrator

(ˌ)dis-ˈin-tə-ˌgrā-tər 

noun

Synonyms of disintegrate

• decompose
• decay
• rot

Examples of disintegrate in a Sentence

The paper will disintegrate if it gets wet.

The laser can disintegrate most kinds of rock.

Recent Examples on the Web

Scott’s face, in this shot, is a whole novel, disintegrating into tears before being shored up again, eventually rearranged into something resembling a welcoming smile that teeters on the edge of collapse. — Alison Willmore, Vulture, 15 Sep. 2026

But slack defending allowed Chelsea’s individual quality to shine and as the match wore on, United’s confidence disintegrated. — Cerys Jones, New York Times, 14 Sep. 2026

In an instant, my protective shield disintegrated, leaving me raw and exposed. — Clare Mulroy, USA Today, 10 Sep. 2026

Watch On Their goal was to understand what happens when satellites disintegrate and what chemical compounds arise in the process. — Tereza Pultarova, Space.com, 8 Sep. 2026

Word History

First Known Use

1796, in the meaning defined at transitive sense 1

Rhymes for disintegrate

• abbreviate
• accelerate
• accommodate
• accumulate
• acuminate
• adjudicate
• adulterate
• affiliate
• agglomerate
• agglutinate
• alleviate
• amalgamate

Kids Definition

disintegrate

verb

dis·​in·​te·​grate (ˈ)dis-ˈint-ə-ˌgrāt 

1

: to break or decompose into the elements, parts, or small particles making up something

2

: to go through a change in composition

an atomic nucleus that disintegrates because of radioactivity

disintegrator

-ˌgrāt-ər 

noun

Medical Definition

disintegrate

verb

dis·​in·​te·​grate (ˈ)dis-ˈint-ə-ˌgrāt 

disintegrated; disintegrating

transitive verb

: to break or decompose into constituent elements, parts, or small particles

intransitive verb

1

: to break or separate into constituent elements or parts

2

: to undergo a change in composition

an atomic nucleus that disintegrates because of radioactivity

disintegration

(ˌ)dis-ˌint-ə-ˈgrā-shən 

noun