1. DISCREET (ADJECTIVE): Cautious, sensible

Synonyms: attentive, careful 

        

Antonyms: careless, heedless

Example Sentence:

He is very discreet with his class assignments.

2. FRACAS (NOUN):Disturbance, fight

Synonyms: bickering, melee       

Antonyms: calm, harmony

Example Sentence:

To avoid a fracas on the plane, the flight attendant gave the angry customer free drink coupons.

 

3. PSYCHOSIS (NOUN):Mental illness; foolishness

Synonyms: craziness, madness      

Antonyms: sanity, balance

Example Sentence:

Doctor said that the patient was suffering from psychosis.

4. RESUSCITATION (NOUN):Revival

Synonyms: rejuvenation, renewal           

Antonyms: destruction, exhaustion

Example Sentence:

Watering a plant can bring it back in a state of resuscitation.

5. DISCOUNTENANCE (VERB): Reject, oppose

Synonyms: condemn, disapprove    

Antonyms: endorse, approve

Example Sentence:

The proposal to demolish the building was finally discountenanced.

6. IMPERATIVE (ADJECTIVE):Necessary

Synonyms:  critical, essential   

      

Antonyms: trivial, unimportant

Example Sentence:

It’s imperative that every member of the team is able to get along with all his teammates.

7. 
   ARRESTING (ADJECTIVE): Noticeable

Synonyms: remarkable, striking    

Antonyms:  unimpressive, ordinary 

Example Sentence:

Teachers saw an arresting improvement in the student’s performance. 

8. SURMISE (VERB):Assume

Synonyms: guess, hunch      

 Antonyms:  certain, fact

Example Sentence:

Without knowing the facts, the judge chose to surmise the defendant was guilty.

9. TRAVAIL (NOUN):Struggle

Synonyms: hard work, labour     

Antonyms:  comfort, happiness

Example Sentence:

He has gone through many travails and sufferings in life.

10. UNKEMPT (ADJECTIVE): Untidy

Synonyms: dishevelled, shaggy        

 Antonyms:  clean, upright

Example Sentence:

 

The unkempt garden was filled with weeds.