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.
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.