1. DEMAGOGUE(NOUN): Agitating person

Synonyms: firebrand, agitator             

Antonyms: calm person, beloved person

Example Sentence:

Last night I was in a discussion with a demagogue.

2. BESMIRCH (VERB):Taint

Synonyms: dishonour, slander 

Antonyms:  honour, praise

Example Sentence:

He was trying to besmirch his friend’s image.

3. FECKLESS (ADJECTIVE):Aimless

Synonyms: carefree, careless 

Antonyms:  competent, effectual

Example Sentence:

Don’t act like a feckless person.

4. DENIGRATE (VERB):Defame

Synonyms: calumniate, malign 

Antonyms:  extol, eulogize

Example Sentence:

He was unintentionally denigrating the persona of his own friend.

 

5. DEMONIAC(NOUN): Person who is crazy

Synonyms: maniac, lunatic              

Antonyms: sane, wise

Example Sentence:

Don’t talk to that demoniac.

6. EXPOSTULATE (VERB):Dissuade

Synonyms: argue, oppose 

 Antonyms: accede, agree

Example Sentence:

Don’t try to expostulate my idea I said.

7. ONTOGENY(NOUN): Growth

Synonyms: advancement, evolution              

Antonyms: decline, decrease

Example Sentence:

I like the way this government has led his countrymen on the path of ontogeny.

8. SOMNOLENT(ADJECTIVE): Sleepy

Synonyms: asleep, drowsy             

Antonyms: attentive, awake

Example Sentence:

He looks like a somnolent.

9. QUEASY (ADJECTIVE):Not feeling well

Synonyms: sick, ill Antonyms:  comfortable, healthy

Example Sentence:

Today I am feeling bit queasy.

10. WADE (VERB): Plod, often through water 

Synonyms: paddle, dabble 

Antonyms:  freeze, stop

Example Sentence:

The buffalos were wading in the pond.