a, o, d, e, l, n, m, r, t, i are letters that make 'mental retardation'
DAT, re, ti, ETA, NT, men, DA, retard, eta, ar, at, en, tar, ARDA, mental, on, retardation, AL, AR, ME, Io, ion, Re, Al, Ar, At, Ta, Ti, ret are words within 'mental retardation'
1 possible definitions for 'mental retardation'
Under this definition, mental retardation is a noun and has the following properties:
retardation, backwardness, slowness, subnormality have the same meaning as 'mental retardation'
'mental retardation' can be a type of stupidity.
amentia, imbecility, abnormality, mental defectiveness, moronity, mental deficiency, idiocy are types of 'mental retardation'.
dumb, obtuse, backward, retard, check, dim, dense, dull, slow, delay, subnormal, half-witted, slow-witted, feebleminded are derivatives of 'mental retardation'.