- (n.) A perennial plant; a plant which lives or continues more than two years, whether it retains its leaves in winter or not.
- (a.) Continuing without cessation or intermission; perpetual; unceasing; never failing.
- (a.) ing or continuing through the year; as, perennial fountains.
- (a.) Continuing more than two years; as, a perennial steam or root or plant.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). perennial. Retrieved September 26, 2026, from http://smartdefine.org/perennial/definitions/2043687 |
| Chicago | Webster's. 2011. "perennial" http://smartdefine.org/perennial/definitions/2043687 (accessed September 26, 2026). |
| Harvard | Webster's 2011, perennial, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/perennial/definitions/2043687>. |
| MLA | Webster's. "perennial" 27 May 2011. Web. 26 September 2026. <http://smartdefine.org/perennial/definitions/2043687> |