Find Antonyms

radiation Antonyms

Opposite of radiation

Because the opposite of radiation shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The emission or transmission of energy in the form of electromagnetic waves or moving subatomic particles through space or a material medium.

Usage Example

"Astronauts aboard the space station are shielded against harmful cosmic absorption."

Strong
absorption

• noun (Context 2)

Divergence out from a central point, in particular the evolutionary divergence of an ancestral group of organisms into multiple distinct forms adapted to different ecological niches.

Usage Example

"The fossil record reveals a rapid evolutionary convergence of mammals after the extinction of the dinosaurs."

Strong
convergence

Similar words to radiation

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

radiotherapy
emission
divergence
diversification
emanation
irradiation
diffusion
actinotherapy
See all synonyms of radiation

• Nearby Words

radiant
radiantly
radiate
radiation
radiator
radical
radicalism

Cite this Entry

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