peer pressure

/P IH1 R P R EH0 SH ER0/
noun
  1. 1

    Encouragement or influence by one's peers.

    โ€œShe vowed to give up drinking during the exam period, but eventually succumbed to peer pressure and was out drinking with her friends within a week of the resolution.โ€

Source: https://en.wiktionary.org/wiki/peer%20pressure