Defintion of Nouns:

Noun is the name of persons, places or things. 

In other words, Noun is the name of anything.

Ex. - Ram, Mohan , Sita, Kapil, Delhi, Kanpur, Gold, Milk, Book, Dog and Cat etc. 

Kinds Of Noun

There are five kinds of nouns:

(i)  Proper Nouns: Such nouns which express about a special person or thing.

In other words, proper noun is the name which is given by us after its existance.

Ex. - Ram, Sita, Gurgaon, Hariyana, Gwalior and Lal Queela etc. 

Remember: The first Letter of proper noun is always writen in Capital letters. 

(ii)   Common Nouns: such nouns which express the class of persons, places or things. 

ऐसे संज्ञा जो किसी व्यक्ति (persons), स्थान (places) या वस्तु (things) के जाति का बोध कराते है |

जैसे :

Boy, Girl, animal, cow, dog, bird, doctor, player, school, college, hotel, book, hero and ocean etc.

(iii)  Collective Nouns: ऐसे nouns जो व्यक्तियों (persons) या वस्तुओं (things) के समूह (group) का बोध कराते हैं | 

जैसे :

Crowd, Gang, Commision, Family, Team and Army etc. 

(iv)  Abstract Nouns: ऐसे nouns जो किसी गुण (quality), दशा (state), विचार (ideas) अनुभूति (feelings) और कार्य (Action) का बोध कराते हैं |

जैसे : 

The Nouns Showing Human Qualities or Characteristics

Beauty, Bravery, Brilliance, Brutality, Calm, Charity, Coldness, Compassion, Confidence, Courage, Curiosity, Dedication, Determination, Ego, Elegance, Enthusiasm, Envy, Evil, Fear, Generosity, Goodness, Graciousness, Hatred, Height, Honesty, Honor, Hope, Humility, Humor, Insanity, Integrity, Intelligence , Jealousy, Kindness, Loyalty, Maturity, Patience, Perseverance, Sanity, Self-control, Sensitivity, Sophistication, Stupidity, Sympathy, Talent, Tolerance, Trust, Warmth, Weakness, Wisdom etc. ;

Some Nouns Showing imotions and feelings. 

Anger, Anxiety, Clarity, Delight, Despair, Disappointment, Disbelief, Excitement, Fascination, Friendship, Grief, Happiness, Hate, Helpfulness, Helplessness, Infatuation, Joy, Love, Pain, Pleasure, Power, Pride, Relaxation, Relief, Romance, Sadness, Satisfaction, Silliness, Sorrow, Strength, Surprise, Tiredness, Uncertainty, Worry etc.

Some Nouns Showing Actions.

reading, writing, dancing, playing, shouting, sleeping, running, blocking, making, smoking, drinking,watching, showing, building, speaking  etc. 

Some others Abstract Nouns

Ability, Adventure, Belief, Comfort, Culture, Democracy, Victory, Faith, Energy, Justice, Life, Movement etc.

(v)  material Nouns: ऐसे nouns जो पदार्थ (matter) का बोध कराते हैं | जैसे :

water, gold, silver, oil, wood, sugar, salt and coal etc. 

Modern Classification of Nouns

In Modern Grammar Noun is classified into three part;

(i)  Proper Nouns: 

(ii) Countable Nouns

(iii) Uncountable Nouns