1. CONFIDANTE (NOUN): (हमराज़) friend
Synonyms: acquaintance, companion
Antonyms: foe, enemy
Example Sentence:
She had been his confidante and mentor whose guidance had helped me. 
2. GROUSE (NOUN): (शिकवा) complaint
Synonyms: grievance, grouch
Antonyms: compliment, flattery
Example Sentence:
Do you have any grouse? 
3. IMPORTUNE (VERB): (ज़ोर देना) insist
Synonyms: demand, beseech
Antonyms: dissuade, prevent
Example Sentence:
The players were importuned by the coach to run another mile. 
4. IMPUDENT (ADJECTIVE): (गुस्ताख) shameless
Synonyms: brazen, audacious
Antonyms: humble, polite
Example Sentence:
The impudent student had the nerve to counter the principal’s order. 
5. INCOMMODIOUS (ADJECTIVE): (असुविधाजनक) inconvenient
Synonyms: uncomfortable, awkward
Antonyms: convenient, handy
Example Sentence:
The incommodious mattress caused me severe back ache. 
6. PLIGHT (NOUN): (दुविधा) dilemma
Synonyms: quandary, impasse
Antonyms: boon, blessing
Example Sentence:
The international community should do more to protect the plight of these people. 
7. ENTRENCHED (ADJECTIVE): (जमा हुआ) rooted
Synonyms: fixed, firm
Antonyms: changeable, indefinite
Example Sentence:
They told about an entrenched resistance to change. 
8. EXORBITANT (ADJECTIVE): (अत्यधिक) extravagant
Synonyms: outrageous, extreme
Antonyms: inexpensive, moderate
Example Sentence:
The President is right in pointing how the exorbitant cost of child care can be devastating for families. 
9. CONUNDRUM (NOUN): (समस्या) enigma
Synonyms: mystery, problem
Antonyms: good situation, solution
Example Sentence:
Perhaps the answer to the fuel conundrum is mandatory carpooling. 
10. RENIG (VERB): (रद्ध करना) cancel
Synonyms: abolish, nullify
Antonyms: approve, assist
Example Sentence:
He was forced to renig his visit.