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Definition of aftereffect

aftereffect

/ˈæf.tɚ.ɪˌfɛkt/
(UK: after-effect)
af · ter · ef · fect
Plural:aftereffects
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aftereffect Lexical Profile

aftereffect Game Scores & Validity

• noun

1

A secondary or delayed result that follows the primary action or initial impact of an event, medical treatment, or experience.

Example

"Fatigue and mild dizziness were the only noticeable aftereffects of the medication."

2

A sensory or perceptual impression that persists briefly after the original stimulus has ceased.

Example

"Staring at the bright screen in a dark room left a vivid visual aftereffect when she closed her eyes."

Synonyms
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Antonyms
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• Nearby Words

afterbirth
afterburner
aftercare
aftereffect
afterglow
afterimage
afterlife

Cite this Entry

Wordmom. (2026). Definition of Aftereffect. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aftereffect
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