If there's one trait that blemishes a person's character like no other, it would arguably be selfishness . I come across people every day -- at work, in the gym, at the grocery store -- who exude a palpable air of selfishness. You can just tell they put themselves before everyone else; they're constantly looking out for their best interest, even if they have to step on others' toes or rip them apart in the process. I'm sure you've met many a person who falls under this category. Here are a few words that typically describe selfish people: Manipulative Scheming Opportunistic Calculating Insensitive Self-centered Self-absorbed Greedy Contemptuous  Difficult Egotistical Stubborn  Dishonest Selfish people can be quite unpleasant to be around, especially when they can't manipulate you to get their way. They also tend to be quite unreliable, expecting you to be at their beck and call but refusing to be there for you when you need them. ...