1. MALADY (NOUN):Disease

Synonyms: affliction, ailment     Antonyms: good health, comfort

Example Sentence: 

Smoking causes severe malady.

2. MAUL (VERB): Savage

Synonyms: drub, lacerate      Antonyms: protect, guard

Example Sentence:

A human could maul another person with a dagger.

3.  IMPENDING (ADJECTIVE):approaching

Synonyms: forthcoming, imminent     Antonyms: gone, past

Example Sentence:

The emergency alert instructed everyone to prepare for the impending Tsunami.

4. PERSECUTE (VERB):Crucify

Synonyms: ill-treat, victimize    Antonyms: console, protect

Example Sentence: 

His followers were persecuted by the authorities.

5. HEINOUS (ADJECTIVE): atrocious

Synonyms: horrifying, monstrous Antonyms: friendly, delightful

Example Sentence:

The sleazy lawyer will represent even the most heinous criminals.

6. CAULK (VERB): secure

Synonyms: block, barricade     Antonyms: free, loosen 

Example Sentence: 

The livestock was caulked from the dense fog.

7. PERPETRATE (VERB):Be responsible for

Synonyms: carry out, commit Antonyms: halt, stop

Example Sentence: 

The young man decided to perpetrate a crime to show his value to the gang leader.

8. DROUGHT (NOUN):scarcity 

Synonyms: dearth, lack                 Antonyms: abundance, excess 

Example sentence: 

There is a drought of food in this village hence leading to malnutrition. 

9. PESTILENT (ADJECTIVE): troublesome

Synonyms: contagious, deleterious   Antonyms: harmless, innocuous

Example Sentence: 

The politicians regarded journalists as a whole as a pestilent race.

10. UPFRONT (ADJECTIVE): Genuine

Synonyms: instinctive, real     Antonyms: intricate, artificial

Example Sentence:

Maneka is an upfront leader.