Definiciones
1.AdjectiveDelayed; delayed in development, hindered; impeded. .mw-parser-output .defdate{font-size:smaller}"This kind of plant is usually of a retarded growth."
2.AdjectiveHaving mental retardation; mentally deficient or underdeveloped.
3.AdjectiveSpecifically, having an IQ below 70.
4.AdjectiveExtremely stupid; obtuse
5.AdjectiveDesignating a parameter of an electromagnetic field which is adjusted to account for the finite speed of radiation.
6.Verbsimple past and past participle of retard