Alphabet O

Blackbook

Oaf

A big clumsy often slow-witted person.

मूर्ख

Oasis

A fertile tract in a desert (where the water table approaches the surface)

मरुद्यान

Obituary

A notice of a person’s death.

निधन सूचना

Oblivious

Not informed about or aware of something.

बेखबर, अनजान

Obscure

Not clear

अस्पष्ट, धुंधला

Obsolescent

Passing out of use.

अप्रचलित, लुप्त

Obsolete

Something no longer in use.

अप्रचलित

Occidental

Relating to the countries of the west.

पश्चिमी या पश्चिमोत्तर

Octogenarian

One who is eighty years old

अस्सी वर्षीय व्यक्ति

Oculist

A person who attends to the diseases of the eye

आंखों का डॉक्टर

Odyssey

A long wandering or voyage usually marked by many changes of fortune.

लंबी और रोमांचक यात्रा

Oenomania

Obsession for wine

शराब की लत

Oligarchy

Government or rule by a small group of people.

अल्पतंत्र या कुलीनतंत्र

Ominous

Suggesting that something unpleasant is likely to happen.

अशुभ

Omnibus

A volume containing several books previously published separately.

सर्वसंग्रह

Ophiology

Study of snakes

सरीसृप विज्ञान

Ophiophobia

Fear of snakes.

सांपों का भय

Ophthalmologist

A doctor who specializes in the diseases of the eyes.

नेत्र-विशेषज्ञ