Ungrateful vs. Selfish — What's the Difference?

Not feeling or exhibiting gratitude, thanks, or appreciation.

Concerned chiefly or excessively with oneself, and having little regard for others

Not agreeable or pleasant; repellent

Showing or arising from an excessive concern with oneself and a lack of concern for others

Not grateful; not expressing gratitude.

The present quote doesn't illustrate the meaning very well.Holding one's own self-interest as the standard for decision making.

A person who fails to show gratitude; an ingrate.

Having regard for oneself above others’ well-being.

Not grateful; not thankful for favors; making no returns, or making ill return for kindness, attention, etc.; ingrateful.

(video game characters) Relying on their own actions and capabilities to be effective in the game, rather than on other characters.

Unpleasing; unacceptable; disagreeable; as, harsh sounds are ungrateful to the ear.

Caring supremely or unduly for one's self; regarding one's own comfort, advantage, etc., in disregard, or at the expense, of those of others.

Not feeling or showing gratitude;

Believing or teaching that the chief motives of human action are derived from love of self.

Disagreeable;

Concerned chiefly or only with yourself;