Definition of "grump" []

• A cranky complaining person. (noun)
• A fit of ill temper. Often used in the plural with the. (noun)
• To mutter complaints. (verb-intransitive)
• To behave in a grumpy manner. (verb-intransitive)

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.

• "My biggest grump is that I checked it out of a library."
• "He considered himself an old-fashioned "grump" who was skeptical (in a humorous way) about many contemporary aspects of life."
• "-- To "grump" and "bill", who conclude that the RESPONSIBILITY for Bhutto's assassination rests with the Bush administration (and not with those extremists who actually planned and carried out the attack), you actually come off sounding like NeoCons!"