1. AGHAST (ADJECTIVE): Appalled

Synonyms: awestruck, agog  

Antonyms:  unsurprised, composed

Example Sentence:

She was aghast at his question.

2. INVEIGLING(ADJECTIVE): Alluring

Synonyms: attracting, captivating              

Antonyms: repulsive, repellent

Example Sentence:

The picture was quite inveigling.

3. SINISTER (ADJECTIVE): Nasty

Synonyms: ominous, perverse  

Antonyms: auspicious, benevolent 

Example Sentence:

It was a pretty sinister comment that you made so far.

4. MULISHNESS(NOUN): Doggedness

Synonyms: obstinacy, bullheadedness            

Antonyms: irresolution, dubiety

Example Sentence:

He is buying everything by showing his heights of mulishness.

5. PULSATE (VERB):Quaver

Synonyms: tremble, quiver 

Antonyms:  steady, be still

Example Sentence:

The meek bird was pulsating in the refractory wind.

6. DOLEFUL (ADJECTIVE):Mournful

Synonyms: woeful, sorrowful 

Antonyms: elated, cheerful

Example Sentence:

It must be a doleful morning for her and her family.

7. CEREBRATION(NOUN): Thought

Synonyms: cogitation, contemplation            

Antonyms: avoidance, ignorance

Example Sentence: It is a nice cerebration.

8. RANTING(ADJECTIVE):Raving

Synonyms: angry, raging              

Antonyms: serene, placid

Example Sentence:

Mukesh is a ranting man.

9. HOARSE (ADJECTIVE): Harsh 

Synonyms: rough, gruff 

Antonyms:  polite, soft

Example Sentence:

One should not be hoarse towards their workers.

10. BEHEAD(VERB): Cut off the head

Synonyms: decapitate, decollate 

Antonyms:  pardon, save

Example Sentence:

The Chinese soldier was beheaded by the American troop.