Perennial typically describes things that are permanent, constant, or repeated. If you fight with your parents every year over whether they really must invite your annoying cousins for Thanksgiving, you could call that a perennial conflict.

Arguing with your roommate about who cleaned the bathroom last time might be a perennial argument. There is also a perennial plant, which lasts more than two years and usually reappears each spring, because it produces flowers and seeds from the same root structure. Perennial comes from the Latin perennis, from the prefix per-, "through," plus annus, or "year." Annus is also the source of our English word annual — an annual plant lives only one year or season.

Definitions of perennial

adj lasting an indefinitely long time; suggesting self-renewal

perennial happiness”
primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified

adj recurring again and again

perennial efforts to stipulate the requirements”
recurrent, repeated
occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series

adj lasting three seasons or more

“the common buttercup is a popular perennial plant”
annual, one-year
completing its life cycle within a year
biennial, two-year
having a life cycle lasting two seasons
show more antonyms...

n (botany) a plant lasting for three seasons or more

Eryngium yuccifolium, button snakeroot, rattlesnake master, rattlesnake's master
coarse prickly perennial eryngo of United States thought to cure rattlesnake bite
Type of:
flora, plant, plant life
(botany) a living organism lacking the power of locomotion

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