Perennial

   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.noun
   5.a perennial plant: Daffodils and tulips are perennials.
   6.something that is continuing or recurrent.

Source

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