1. JOLT (VERB): (ऐंठना): convulse 
Synonyms: disturb, jar 
Antonyms: calm, comfort 
Sentence: His statement jolted me in my mind. 

2. VERBOSE (ADJECTIVE): (वाचाल): wordy 
Synonyms: gabby, circumlocutory 
Antonyms: concise, succinct 
Sentence: He is a verbose man. 

3. HERETIC (NOUN): (नास्तिक): schismatic 
Synonyms: apostate, pagan 
Antonyms: believer, follower 
Sentence: As a relapsed heretic, he was left to the secular arm. 

4. COVERT (ADJECTIVE): (गुप्त): hidden 
Synonyms: undercover, secret 
Antonyms: open, known 
Sentence: Behind his soft behaviour he has some covert intentions. 

5. DEFILE (VERB): (अपवित्र करना): corrupt 
Synonyms: degrade, desecrate 
Antonyms: honour, praise 
Sentence: He tried to defile the system.

6. WORSEN (VERB): (बदतर करना): deteriorate 
Synonyms: get worse, exacerbate 
Antonyms: improve, soothe 
Sentence: This policy could actually worsen the economy. 

7. CONCURRENTLY (ADVERB): (समानान्तर रूप से): simultaneously 
Synonyms: all at once, all together 
Antonyms: imbalanced, upset 
Sentence: He is eating and dancing concurrently. 

8. PUSH (VERB): (बढ़ाना): advance 
Synonyms: boost, hype 
Antonyms: repress, dissuade 
Sentence: The manager pushed the production.

9. CRISIS (NOUN): (संकट): catastrophe 
Synonyms: disaster, trouble 
Antonyms: calm, peace 
Sentence: He helped me in the times of crisis. 

10. SLUMP (NOUN): (मंदी): decline 
Synonyms: depreciation, downtrend 
Antonyms: ascent, rise 
Sentence: This year, we saw a slump in profits.