messier; messiest
1
: marked by confusion, disorder, or dirt : untidy
a messy room
2
: lacking neatness or precision : careless, slovenly
messy thinking
3
: extremely unpleasant or trying
messy lawsuits
a messy divorce
messily adverb
messiness noun

Examples of messy in a Sentence

Painting a room can be messy work. Some kinds of glue are messier than others. a delicious but messy sandwich
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
If a mess does happen, clean up spills or messy bakes early so that grime and grease don’t build up. Daley Quinn, Southern Living, 29 June 2025 This idea began to fray when early robot AI failed to handle messy, real-world conditions. New Atlas, 29 June 2025 While season 1 of The Waterfront has already dropped and delivered its fair share of jaw-dropping moments, things are only going to get messier in a possible second season. Allison Degrushe Published, EW.com, 29 June 2025 The reunion promises messier drama, holier prayers, and curlier extensions; Nick Viall hosts. Ryan Schwartz, TVLine, 28 June 2025 See All Example Sentences for messy

Word History

First Known Use

1627, in the meaning defined at sense 1

Time Traveler
The first known use of messy was in 1627

Cite this Entry

“Messy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/messy. Accessed 3 Jul. 2025.

Kids Definition

messy

adjective
messier; messiest
1
: marked by confusion, disorder, or dirt : untidy
2
: extremely unpleasant or trying
messy lawsuits
messily adverb
messiness noun

More from Merriam-Webster on messy

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!