perennial

[puh-ren-ee-uhl]
adjective
  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
  1. a perennial plant: Daffodils and tulips are perennials.
  2. something that is continuing or recurrent.

Origin of perennial

1635–45; < Latin perenni(s) lasting the whole year through (per- per- + -enn-, combining form of annus year + -is adj. suffix) + -al1
Related formsper·en·ni·al·i·ty, nounper·en·ni·al·ly, adverb
Can be confusedannual perennial

Synonyms for perennial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for perenniality

perennial

adjective
  1. lasting throughout the year or through many years
  2. everlasting; perpetual
noun
  1. a woody or herbaceous plant that can continue its growth for at least two yearsCompare annual (def. 3), biennial (def. 3)
Derived Formsperennially, adverb

Word Origin for perennial

C17: from Latin perennis continual, from per through + annus year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for perenniality

perennial

adj.

1640s, "evergreen," formed in English from Latin perennis "lasting through the year (or years)," from per- "through" (see per) + annus "year" (see annual). Botanical sense of "Remaining alive through a number of years" is attested from 1670s; figurative meaning of "enduring, permanent" is from 1750. Related: Perennially. For vowel change, see biennial. The noun meaning "a perennial plant" is from 1763.

Online Etymology Dictionary, © 2010 Douglas Harper

perenniality in Science

perennial

[pə-rĕnē-əl]
Adjective
  1. Living for three or more years.
Noun
  1. A perennial plant. Herbaceous perennials survive winter and drought as underground roots, rhizomes, bulbs, corms, or tubers. Woody perennials, including vines, shrubs, and trees, usually stop growing during winter and drought. Asters, irises, tulips, and peonies are familiar garden perennials. Compare annual biennial.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.