perennial: meaning and definitions

Lasting or active through the year or through many years.

Lasting an indefinitely long time; enduring: perennial happiness.

Appearing again and again; recurrent. See Synonyms at continual.

Botany Living three or more years.

Botany A perennial plant.

Something that recurs or seems to recur on a yearly or continual basis: "that hardy perennial, the budget deficit” ( David S. Broder).