(of an egg) fried without breaking the yolk or being turned over, with the yolk remaining visible and somewhat liquid inside.
Compare over easy.
Origin of sunny-side up
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for sunny-side upairy, sunny, lively, lighthearted, pleasing, diverting, gay, high, dizzy, amusing, upbeat, entertaining, animated, trifling, up, cheerful, cheery, delighted, ecstatic, effervescent
(of eggs) fried on one side only
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