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

Escoto has been on his best behavior this season.

From Los Angeles Times • Feb. 16, 2026

If you can do the cauliflower, you better be on your best behavior.’

From Slate • Oct. 31, 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

Even when the dog was gone—which was now and then—Zeke still felt it was somehow still observing him, making sure he was on his best behavior.

From "Chronicles of a Lizard Nobody" by Patrick Ness