Definition, synonyms and related words
plural of alien
"Scientists across the globe are eagerly waiting to receive signals from aliens in distant galaxies."
Third-person singular simple present indicative form of alien
"The aliens who live on Mars have three fingers on each hand."
In plain English: To alienate someone means to make them feel rejected, distant, or pushed away from you and your group of friends.
"The new manager will alienate most employees if she ignores their suggestions during meetings."