To hinder, impede, or prevent.
To bring a legal proceeding against a public official.
To charge with impropriety; to discredit; to call into question.
To demonstrate in court that a testimony under oath contradicts another testimony from the same person, usually one taken during deposition.
To keep delaying; to continue to hinder; to prevent from progressing.
To put off; to postpone.
To decelerate; to slow down.
Retardation; delay.
A slowing down of the tempo; a ritardando.
A person or being who is extremely stupid or slow to learn.