on their best behavior

idiom

: exhibiting proper behavior

The children were all on their best behavior at the museum.

Examples of on their best behavior in a Sentence

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.

Snoop Dogg's grandkids are going to have to be on their best behavior this holiday season! —

Hannah Sacks, People.com, 6 Dec. 2024 There’s cordiality and decorum at these events; anyone can be on their best behavior for a day or so. —

Julia Cho, New York Times, 21 May 2024 After that incident, the team’s coaching staff brought the groups together to tell them to cool it, and everyone was on their best behavior after that. —

Josh Kendall, The Athletic, 7 Aug. 2024 Whether this kind of 24-7 surveillance of everyone and everything means law enforcement will automatically be on their best behavior is, however, debatable. —

Christiaan Hetzner, Fortune, 17 Sep. 2024 See all Example Sentences for on their best behavior

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“On their best behavior.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20their%20best%20behavior. Accessed 21 Dec. 2024.

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