disintegrate

verb

dis·​in·​te·​grate (ˌ)dis-ˈin-tə-ˌgrāt How to pronounce disintegrate (audio)
disintegrated; disintegrating; disintegrates
Synonyms of disintegratenext

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 adjective
disintegrator noun

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.
As in a seventeenth-century poem by John Donne, George Herbert, or Andrew Marvell, the fraught human body is a microcosm, a mirror to the larger disintegrating world spirit. Literary Hub, 29 Jan. 2026 While other researchers have previously developed RFID capsules, the human digestive tract couldn’t disintegrate them, so all their components needed to travel the length of the body and exit in feces, or accumulate inside the body. New Atlas, 28 Jan. 2026 The Stars had rebounded from a season-worst, six-match winless skid to construct a three-game points streak, which disintegrated on Tuesday in just their second loss in eight tail ends of back-to-back sets. Andrew Knoll, Oc Register, 14 Jan. 2026 In even the most straightforward Tanner Matt production, there’s a moment where everything threatens to disintegrate. Philip Sherburne, Pitchfork, 14 Jan. 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

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Cite this Entry

“Disintegrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disintegrate. Accessed 30 Jan. 2026.

Kids Definition

disintegrate

verb
dis·​in·​te·​grate (ˈ)dis-ˈint-ə-ˌgrāt How to pronounce disintegrate (audio)
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 noun

Medical Definition

disintegrate

verb
dis·​in·​te·​grate (ˈ)dis-ˈint-ə-ˌgrāt How to pronounce disintegrate (audio)
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 noun

More from Merriam-Webster on disintegrate

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