best behavior

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was on his best behavior since it was in dad’s London office, and advisers entered the room throughout the day.

From The Wall Street Journal • Feb. 24, 2026

I was told that if I was on my best behavior, I would go to the sought-after public elementary school down the street and finally get my own room.

From Los Angeles Times • May 15, 2024

They should have been on their best behavior on Tuesday to avoid any glimmer of impropriety.

From Slate • Apr. 16, 2024

Listen, as A.I. is continuing to develop, and we don’t know if we’re making ourselves extinct to any potential sentient being, Brown is on his best behavior.

From New York Times • Jun. 24, 2023

We were so impressed by the comforts and quiet organization of the Mollers’ home that we were subdued and on our best behavior.

From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey