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adj. yuck·i·er, yuck·i·est Slang
Repugnant; disgusting.

yuck′i·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


the state or quality of being yucky, unpleasant, or disgusting
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
He said: "Children like gruesomeness and they like yuckiness. I remember first hearing in history lessons at primary school about people being hung, drawn and quartered.
Through my parents (nasty) divorce, no matter how things were between them or between us no matter when new people came into the picture and old people left whenever we sat down at the table, all of the yuckiness melted away.
But it's so gruesome Children like yuckiness. But remember, I'm not saying that all children should befriend rats.