• Four Definition & Synonyms
- (n.) A symbol representing four units, as 4 or iv.
- (n.) Four things of the same kind, esp. four horses; as, a chariot and four.
- (n.) The sum of four units; four units or objects.
- (a.) One more than three; twice two.
• Four-cycle Definition & Synonyms
- (n.) A four-stroke cycle, as the Otto cycle, for an internal-combustion engine.
• Fourfeitable Definition & Synonyms
- (a.) Liable to be forfeited; subject to forfeiture.