betray
🇺🇸
/bɪˈtreɪ/
🇬🇧
/bɪˈtreɪ/
to give secrets to an enemy
He decided to betray his country by sharing military plans with the enemy.
to hurt someone who trusts you by being dishonest
It hurts to betray a friend who believed in you completely.
to go against your own beliefs for personal gain
Politicians often betray their promises to get more votes.
to accidentally show something you want to hide
Her smile did not betray the sadness she felt inside.