Pronunciation: (pu-ren'ē-ul),[key] —adj. 1. lasting for an indefinitely long time; enduring: her perennial beauty. 2. (of plants) having a life cycle lasting more than two years.
3. lasting or continuing throughout the entire year, as a stream.
4. perpetual; everlasting; continuing; recurrent.
—n. 1. a perennial plant: Daffodils and tulips are perennials. 2. something that is continuing or recurrent.