(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, peppy, bright, effervescent, buoyant, sanguine, jolly, rosy, upbeat, joyful, pleasant, merry, cheery, jaunty, enthusiastic, good-natured, chipper
(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