retard

noun

Meaning

Retardation; delay.
A slowing down of the tempo; a ritardando.
A person with mental retardation.
"The retard in our class needs special help."
A person or being who is extremely stupid or slow to learn.

Synonyms

idiot,

imbecile,

learning difficulties,

mental deficient,

moron,

retarded,

tard,

delay,

hold-up,

retardation

verb

Meaning

To keep delaying; to continue to hinder; to prevent from progress
"retard the march of an army"
To put off; to postpone.
"to retard a rupture between nations"
To be slow or dilatory to perform (something).
To decelerate; to slow down.
To stay back.

Synonyms

decelerate,

slow,

slow down,

slow up,

decelerate,

hinder,

slow,

slow down,

postpone,

put off,

reluctant,

hang back,

stay back,

hinder,

hold up,

impede