Definition Be on one's best behavior

English vocabulary and translations (See all our English vocabulary translation)

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Definition

behavior (US), behaviour (UK): conduct, manner of acting
noun

to be on one's best behavior: to act, to conduct oneself in the best way possible
idiom
Everyone should be on their best behavior when the queen comes to visit: no practical jokes.

Examples

  • "The only way to avoid lasting damage to our reputation is to terminate Ivana's contract immediately, and make a public statement deploring her behavior!"
  • ""You should apologize for your behavior at my wedding."
  • "Though I'm deeply disturbed by your behavior, I am committed to helping you become a less disgusting human being through my life coaching."
  • "Needless to say, everyone needs to be on their best behavior."
  • "Bruno : Well Brian, though my Japanese is rusty, Masaki said something about Icarus' behavior that might be a clue."
  • "It's clear that you have mastered the ins and outs of the British pub, so I don't think you'll experience any cultural problems. I was amazed when you stood on the table and sang Abba songs with members of a women's rugby team. While this kind of behaviour may not be acceptable in front of your client, I'm sure you'll go down well with English girls!"
  • "I'm sure you will join me in condemning this unacceptable behavior."
  • "I'm so sorry about Philip's behavior!"
  • "Susie : We need to issue a publicity statement that denounces Ivana's behavior, but also shows we are helping her through this difficult time."
  • "Lack of sleep leads to irritability, poor behavior and trouble with relationships, especially among children and teens."

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