retard - English Synonyms Dictionary

retard

v.
[1] slow (down/up) , hold up/back , set back , hinder , impede , delay , keep back , stall , thwart , balk , block , restrict , hold in check , frustrate , interfere with
[2] check , delay
[3] decelerate , slow , slow down , slow up
n.
[1] idiot , imbecile , cretin , moron , changeling , half-wit
[2] (Offensive and Derogatory) idiot , moron , fool , imbecile , dunce , (Slang) (Mainly US/Canadian) jerk