disintegrated; disintegrating; disintegrates
Synonyms of disintegrate

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

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
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.
Yet some of Bass’ political relationships disintegrated during her four-year term, at times in dramatic ways. — David Zahniser, Los Angeles Times, 8 Nov. 2026 Last time Brooklyn took the court, its offense had disintegrated into an 11-point fourth quarter against the Knicks. — C.j. Holmes, New York Daily News, 5 Nov. 2026 The trends observed in this article may not completely disintegrate the value created by AI. — Tomas Milar, Forbes.com, 5 Nov. 2026 Researchers estimate that the ozone hole will recover by the 2070s as the older compounds disintegrate. — Dan Peck, ABC News, 4 Nov. 2026 See All Example Sentences for disintegrate

Word History

First Known Use

1796, in the meaning defined at transitive sense 1

Time Traveler
The first known use of disintegrate was in 1796

Browse Nearby Words

Cite this Entry

“Disintegrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disintegrate. Accessed 11 Nov. 2026.

Kids Definition

disintegrate

verb
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

Medical Definition

disintegrate

verb
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
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