perennial - definition, thesaurus and related words from WordNet-Online

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Adjective perennial has 3 senses

perennial - lasting three seasons or more; "the common buttercup is a popular perennial plant"
Antonyms: annual, one-year, biennial, two-year
perennial - lasting an indefinitely long time; suggesting self-renewal; "perennial happiness"
Antonym: short (indirect, via long)
perennial, recurrent, repeated - recurring again and again; "perennial efforts to stipulate the requirements"
Antonym: sporadic (indirect, via continual)

Noun perennial has 1 sense

perennial - a plant lasting for three seasons or more
--₁ is a kind of plant, flora, plant life
--₁ has particulars:
rattlesnake master, rattlesnake's master, button snakeroot, Eryngium yuccifolium

Derived form: verb perennate₁