Definition of "grumpy" []

• Surly and peevish; cranky. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The Irishman Connor and the Belgian Pierre were the guides, and they didnt instil much confidence to start with as Connor was grumpy from giving up smoking and Pierre didnt speak English and was new so kept taking wrong turns and being yelled at by ´grumpy Connor."
• "Drove home in grumpy silence, everyone was bummed about the camera disappearing/being stolen"
• "That a lack of sleep can make people grumpy is hardly news."