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

The comedian and “School of Rock” star surprised moviegoers at a showing of “Minecraft” over the weekend and encouraged them to be on their best behavior, according to video shared Sunday by the Hollywood Handle.

From Los Angeles Times • Apr. 14, 2025

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

From Slate • Apr. 16, 2024

“I often felt awkward and hyperconscious, like people were staring at me or that I always had to be on my best behavior so that I represented the Army in a positive way.”

From Washington Times • Nov. 9, 2023

However, tonight Madame Babushkinov was on her very best behavior, full of warmth and charm, while the children ate in fearful silence.

From "The Long-Lost Home" by Maryrose Wood