Unintelligent
Part of speech: adjective
Definition: not intelligent
Example sentence: Having been a 'Page 3' model I know what is it like to be singled out as one thing, to be dismissed as unintelligent and only possessing one quality.
Retarded
Part of speech: verb
Definition: Past tense of retard; slowed.Past participle of retard; slowed.
Part of speech: adjective
Definition: Delayed in development.Of a person, having mental retardation.By extension, of a person or thing, stupid; senseless; irrational.Under the influence of alcohol.