Abstract noun is a type of noun that denotes a name, idea or quality having no physical form. It can be seen by our mind but not of our naked eyes.
Examples:
| love | strength | beauty |
| courage | strength | beauty |
| unity | cooperation | faith |
| belief | anger | truth |
| kindness | hatred | justice |
| sympathy | peace | happiness |
| loneliness | cleanliness | duty |
| politeness | respect | obedience |
| duty | patience | admiration |
| health | acceleration | education |