D defs.my
Entry 1 sense Webster, 1913

Retarded

· Re·tard·ed · IPA /ɹiˈtɑɹdɪd/
01 n. having a limited or below normal mental ability; same as mentally retarded; -- used especially in relation to performance in academic tasks.
  1. 1.
    having a limited or below normal mental ability; same as mentally retarded; -- used especially in relation to performance in academic tasks.