1. TWEAK (VERB): (परिवर्तन करना): modify
Synonyms: alter, change
Antonyms: retain, remain
Example Sentence:
She may be prepared to tweak her views. 
2. SPAR (VERB): (झगड़ना): argue
Synonyms: quarrel, fight
Antonyms: agree, concede
Example Sentence:
They spar regularly over food and clothing. 
3. CINCH (NOUN): (आसान-काम): cakewalk
Synonyms: piece of cake, child’s play
Antonyms: difficult activity, exhausting task
Example Sentence:
I've done it before—it's a cinch.

4. ORNERY (ADJECTIVE): (चिड़चिड़ा): cranky
Synonyms: grouchy, grumpy
Antonyms: friendly, kind
Example Sentence:
He was an ornery old businessman. 
5. RABID (ADJECTIVE): (उन्मत्त): maniacal
Synonyms: frenzied, zealous
Antonyms: apathetic, indifferent
Example Sentence:
The show is small but rabid fan base. 
6. THRONG (NOUN): (भीड़): bunch
Synonyms: flock, mass
Antonyms: individual, one
Example Sentence:
Namit pushed his way through the throng. 
7. INCERTITUDE (NOUN): (संदेह): uncertainty
Synonyms: doubt, insecurity
Antonyms: certainty, certitude
Example Sentence:
Some schools broke down under the stresses of policy incertitude. 
8. TENUOUS (ADJECTIVE): (कमज़ोर): weak, thin
Synonyms: delicate, insubstantial
Antonyms: certain, strong
Example Sentence:
The light may be an exceedingly tenuous cometary tail to the earth. 
9. ANNEX (NOUN): (पूरक अंश): addendum
Synonyms: appendix, adjunct
Antonyms: base, lessening
Example Sentence:
The first ten amendments were annexed to the Constitution in 1791. 
10. UNREFUTED (ADJECTIVE): (सही): accurate
Synonyms: authentic, definite
Antonyms: incorrect, indefinite
Example Sentence:
Srishti has completed an unrefuted task.