retarded

/ɹɪˈtɑːdɪd/

Proposed by a contributor, not yet supported by evidence.

Sense 1

Meaning · English

Delayed; delayed in development, hindered; impeded.

Adjective

Examples

This kind of plant is usually of a retarded growth.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

Having mental retardation; mentally deficient or underdeveloped.

AdjectiveRegister: dated

Examples

Experts in the field say there are now at least 200,000 retarded people over 60 in the United States.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “retarded” mean?

Delayed; delayed in development, hindered; impeded.

Is “retarded” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.