To perform a rapid fall in price or value.
To dive down in a steep angle.
A rapid fall, e.g. in price or value.
A headfirst fall or jump.
A drop in altitude with the nose of the craft angled downwards.
To decelerate; to slow down.
To put off; to postpone.
To keep delaying; to continue to hinder; to prevent from progressing.
Retardation; delay.
A slowing down of the tempo; a ritardando.
A person or being who is extremely stupid or slow to learn.