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Definition of retarded

retarded

/rɪˈtɑːr.dɪd/
re · tard · ed

Past Simple:retarded
•
Past Participle:retarded
•
Present Participle:retarding
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retarded Lexical Profile

retarded Game Scores & Validity

• adjective

1

Very foolish, absurd, or illogical (derogatory slang).

Example

"He was reprimanded for using a derogatory slang word to call the new policy retarded."


2

Less advanced in mental, physical, or social development than is usual for one's age (formerly a clinical term, now dated and offensive).

Example

"Older medical textbooks often used the term 'mentally retarded' before modern diagnostic standards adopted 'intellectually disabled'."


3

Slowed down, impeded, or delayed in progress, development, or physical movement (used in formal, technical, or scientific contexts).

Example

"The seedlings showed retarded growth due to the prolonged lack of sunlight and nutrients."

Synonyms
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Antonyms
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• verb

1

To delay or hold back in terms of progress, development, or accomplishment (past tense and past participle of 'retard').

Example

"The sudden drop in temperature retarded the chemical reaction in the laboratory experiment."

Synonyms
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Antonyms
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Word Nuance & Usage

While still valid in formal scientific and technical contexts to mean 'slowed down' or 'delayed', the use of 'retarded' to refer to people with intellectual disabilities is dated and widely considered offensive; clinical and respectful contexts now use 'intellectually disabled'. Its slang use to mean 'foolish' is strongly derogatory.

• Rhymes for retarded

Word Origin & Etymology

Derived from the verb 'retard', borrowed in the late 15th century from French 'retarder' or directly from Latin 'retardare' ('to make slow, delay'), from 're-' ('back') and 'tardus' ('slow').

Cite this Entry


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