the theory that our actions are always caused by the desire to benefit ourselves

self-centeredness

nerve, audacity

nerve, audacity

nerve, audacity

nerve, audacity

a mental illness in which a person has exaggerated ideas of her or his importance, power, wealth etc

self-centeredness

selfishness

egotism

(an instance of) being pompous

pretension

the belief that the truth or value of a theory depends on its practical use

arrogance, self-importance

foolishly rude speech or action

nerve, audacity