| ADJECTIVE | all | half-witted, backward, slow-witted, feebleminded | retarded in intellectual development |
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| Meaning | retarded in intellectual development. | |
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| Synonyms | backward, slow-witted, feebleminded | |
| Broader | retarded | relatively slow in mental or emotional or physical development |
| Usage of | archaism, archaicism | The use of an archaic expression |
| Catalan | aturat, curt, estúpid, lent | |
| Spanish | tonto, simple, corto, torpe, lento, estúpido | |