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retardation Synonyms
Another word for retardation
Choosing another word for retardation depends on context, so the synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
• noun (Context 1)
The action or process of delaying or slowing the progress, development, or rate of something.
Usage Example
"The addition of chemical inhibitors resulted in a marked delay of the corrosion process."
Strongest
delay
slowing
Strong
slowdown
impediment
hindrance
obstruction
check
• noun (Context 2)
(Dated, now often offensive) Less than normal intellectual or developmental progress; intellectual disability.
Usage Example
"Modern medical guidelines have replaced the clinical term mental intellectual disability with intellectual disability."
Strongest
intellectual disability
• noun (Context 3)
In physics and mechanics, the rate at which the velocity of a moving body decreases over time; negative acceleration or deceleration.
Usage Example
"The engineers calculated the rate of deceleration when the train's emergency brakes were applied."
Strongest
deceleration
Opposites of retardation
The opposite of retardation shifts depending on context. Common opposites include:
acceleration
advancement
hastening
quickening
facilitation
Cite this Entry
Wordmom. (2026). Synonyms for Retardation. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/retardation