Definition of "killjoy" []

• One who spoils the enthusiasm or fun of others. (noun)

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 killjoy has been the fear that inflation is bubbling out of control."
• "I know the quickest way to be called a killjoy is to suggest that a great American food institution should be sacrificed to preserve the health of kids with dietary restrictions, whether it's a peanut-butter sandwich for lunch or a peanut-filled cookie at snack time."
• "[My apologies in advance if any of this sounds like nitpicking or any other kind of killjoy, buzzkill, etc.]"