Synonyms of decomposition

decomposition

noun

as in decay

the process by which dead organic matter separates into simpler substances

the unmistakable smell of decomposition led us to some fruit that had fallen behind the refrigerator

Synonyms & Similar Words

• decay
• fermentation
• putrefaction
• rot
• spoilage
• corruption
• breakdown
• disintegration
• putrescence
• festering
• dissolution
• crumbling
• souring
• curdling
• moldering

Antonyms & Near Antonyms

• growth
• maturation
• ripening

Example Sentences

Recent Examples of decomposition

Investigators found no identification at the scene, and extreme decomposition prevented them from obtaining DNA from the bodies. — ABC News, 16 Oct. 2026

If the soils were not saturated, microbial decomposition would happen too quickly, breaking down organic matter before the thick layers of peat, the signature of boglands, had a chance to form. — Literary Hub, 16 Oct. 2026

The environment slowed decomposition, allowing the delicate vascular network to survive long enough to become fossilized. — Muskan Bhatia, Interesting Engineering, 16 Oct. 2026

Somehow, life and decomposition continue across millennia with no one in charge. — James Whorton Jr, Longreads, 13 Oct. 2026

His hands and legs were bound, duct tape covered his face, and his body was burned and showed signs of decomposition, according to the record. — Emerson Clarridge, Fort Worth Star-Telegram, 12 Oct. 2026

The prosecutor then showed the jury Daniela’s shirt, which the detective said was stained by brown decomposition fluid, and Julia’s clothing, including her underwear soaked in blood. — Grethel Aguila, Miami Herald, 1 Oct. 2026

The remains weighed only 27 pounds when they were discovered in an advanced state of decomposition. — Justin Muszynski, Hartford Courant, 1 Oct. 2026

Coffee grounds in your orchid’s pot are likely to pull nitrogen out of the potting media to fuel their decomposition process, leaving your plant with a deficiency. — Leanne Potts, Better Homes & Gardens, 19 Sep. 2026