1.EXACERBATE (VERB): (बदतर करना): aggravate

Synonyms: worsen, inflame
Antonyms: calm
Example Sentence:
The exorbitant cost of land in urban areas only exacerbated the problem.

2.DASTARDLY (ADJECTIVE): (नीचतापूर्ण): wicked

Synonyms: evil, iniquitous
Antonyms: noble
Example Sentence:
While the town is sleeping, the mafia is out doing dastardly deeds.

3.EGREGIOUS (ADJECTIVE): (भीषण): shocking

Synonyms: appalling, horrific
Antonyms: marvellous
Example Sentence:
Copyright faces egregious abuses.

4.CALLOUS (ADJECTIVE): (निर्मम): heartless

Synonyms: unfeeling uncaring
Antonyms: kind
Example Sentence:
His callous comments about the murder made me shiver.

5.AMBIGUITY (NOUN): (अस्पष्टता): ambivalence

Synonyms: equivocation, obscurity
Antonyms: transparency
Example Sentence:
We can detect no ambiguity in this section of the Act.

6.RETICENCE (NOUN): (अल्पभाषिता): reserve

Synonyms: introversion, restraint
Antonyms: expansiveness
Example Sentence:
She paused, as if hesitating to confide, until her anger overcame her reticence.

7.DESPISE (VERB): (घृणा करना): detest

Synonyms: hate, loathe
Antonyms: like
Example Sentence:
He despised himself for being selfish.

8.UNRAVEL (VERB): (सुलझाना): solve

Synonyms: resolve, work out
Antonyms: complicate
Example Sentence:
They were attempting to unravel the cause of death.

9.PATCHY (ADJECTIVE): (असम): uneven

Synonyms: bitty, varying
Antonyms: uniform
Example Sentence:
There was patchy fog in the sky.

10.TENUOUS (ADJECTIVE): (तुच्छ): slight

Synonyms: insubstantial, flimsy
Antonyms: convincing
Example Sentence:
The tenuous link between interest rates and investment.