• synonyms


adjective, sun·ni·er, sun·ni·est.
  1. abounding in sunshine: a sunny day.
  2. exposed to, lighted, or warmed by the direct rays of the sun: a sunny room.
  3. pertaining to or proceeding from the sun; solar.
  4. resembling the sun.
  5. cheery, cheerful, or joyous: a sunny disposition.
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Origin of sunny

1250–1300 Middle English; see sun, -y1
Related formssun·ni·ly, adverbsun·ni·ness, nounun·sun·ny, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for sunnier


adjective -nier or -niest
  1. full of or exposed to sunlight
  2. radiating good humour
  3. of or resembling the sun
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Derived Formssunnily, adverbsunniness, noun
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 sunnier



"full of sun," c.1300, from sun (n.) + -y (2). Figurative sense of "cheerful" is attested from 1540s. Related: Sunnily; sunniness. Eggs served sunny side up first attested 1900.

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Online Etymology Dictionary, © 2010 Douglas Harper