one-upmanship

he constantly engaged in one-upmanship, trying to outdo everyone at the conference.

the office environment fostered a culture of one-upmanship, which was quite unpleasant.

their rivalry was fueled by a relentless desire for one-upmanship in the industry.

i dislike people who resort to one-upmanship to feel superior.

the conversation quickly devolved into a tiresome display of one-upmanship.

she recognized the one-upmanship and decided to ignore his comments.

the team leader discouraged one-upmanship and promoted collaboration instead.

it's exhausting dealing with someone who thrives on one-upmanship.

he used one-upmanship to mask his own insecurities and lack of confidence.

the project's success wasn't due to one-upmanship, but genuine teamwork.

despite his one-upmanship, he was a valuable member of the team.