1.TAWDRY (ADJECTIVE): Cheap, tasteless

Synonyms: sleazy, tacky    

     

Antonyms: sophisticated, nice

Example Sentence:

This seems a tawdry dish.

2. YANK (VERB):Pull hard and fast

Synonyms: jerk, snatch     

Antonyms: fix, put in

Example Sentence:

He tried to yank me out from my bed.

3. DELPHIAN (ADJECTIVE): Obscure in meaning

Synonyms: enigmatic, ambiguous     

Antonyms: certain, known

Example Sentence:

This case seems to be a Delphian case.

 

4. REPROBATE (ADJECTIVE):Evil, unprincipled

Synonyms: shameless, corrupt         

 Antonyms: virtuous, upright

Example Sentence:

The reprobate student was suspended from college for a week.

5. OMINOUS (ADJECTIVE):Menacing, foreboding

Synonyms: dark, gloomy            

Antonyms: bright, cheerful

Example Sentence:

Yesterday was an ominous night.

6. QUIESCENT (ADJECTIVE):In a state of inactivity or dormancy.

Synonyms:  stagnant, inert  

       

Antonyms: active, moving

Example Sentence:

The police shall not be called till the protest is in a quiescent state.

7. 
   NOCUOUS (ADJECTIVE):Harmful

Synonyms: damaging, injurious    

Antonyms:  beneficial, harmless

Example Sentence:

Drinking and smoking is nocuous to health. 

8. STUPEFACTION (NOUN):Confusion

Synonyms: perplexity, bewilderment        

Antonyms:  clarity, assurance

Example Sentence:

She stared at him in stupefaction.

9. VITRIOLIC (ADJECTIVE):Bitter

Synonyms: antagonistic, acerbic    

Antonyms:  pleasant, kind

Example Sentence:

She made vitriolic remarks for her husband.

10. TREPIDATION (NOUN): Apprehension

Synonyms: anxiety, worry         

Antonyms:  assurance, composure

Example Sentence:

She had some kind of trepidation in her mind.