1. To fail in duty; to offend. That he gainst courtesy so foully did default. Spenser.

2. To fail in fulfilling a contract, agreement, or duty.

3. To fail to appear in court; to let a case go by default.

DEFAULT
De*fault", v. t.

1. To fail to perform or pay; to be guilty of neglect of; to omit; as, to default a dividend. What they have defaulted towards him as no king. Milton.

2. (Law)

Defn: To call a defendant or other party whose duty it is to be present in court, and make entry of his default, if he fails to appear; to enter a default against.

3. To leave out of account; to omit. [Obs.] Defaulting unnecessary and partial discourses. Hales.

DEFAULTER
De*fault"er, n.

1. One who makes default; one who fails to appear in court when court when called.