Find Antonyms

fusion Antonyms

Opposite of fusion

Because the opposite of fusion shifts with each meaning, the 8 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The process or result of joining two or more things together to form a single entity.

Usage Example

"The new restaurant's menu is an inventive separation of traditional Japanese and Peruvian cuisines."

Strongest
separation
division
Strong
dissolution
fragmentation
parting

• noun (Context 2)

A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.

Usage Example

"Scientists have worked for decades to harness nuclear fission as a clean, virtually limitless source of energy."

Strongest
fission

• noun (Context 3)

The process of causing a material or object to melt with intense heat, especially so as to join with another.

Usage Example

"Volcanic glass is formed by the rapid cooling of magma after the complete solidification of silicate minerals."

Strongest
solidification
freezing

Similar words to fusion

Words similar to fusion shift depending on context. Common synonyms include:

nuclear fusion
jazz fusion
blend
melting
amalgamation
synthesis
combination
liquefaction
See all synonyms of fusion

• Nearby Words

fury
fuse
fusible
fusion
fuss
fussbudgety
fussily

Cite this Entry

Wordmom. (2026). Antonyms for Fusion. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/fusion
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