1. STIFLE (VERB): Restrain

Synonyms: suppress, repress    

Antonyms: release, free

Example Sentence:

She makes no attempt to stifle a yawn.

 

2. ARCHAIC (ADJECTIVE): Old-fashioned

Synonyms: obsolete, antiquated        

Antonyms: latest, modern

Example Sentence:

These archaic practices are advocated by people of limited outlook.

3. PRUNE (VERB): Pare down

Synonyms: trim, reduce            

Antonyms: include, increase

Example Sentence:

Economic hard times are forcing the companies to prune their budget.

4. ASCENSION(NOUN): Taking over

Synonyms: succession, assumption  

Antonyms: declension, decline

Example Sentence:

He was killed after his ascension to the throne.

5. STIFFEN(VERB): Make or become harder

Synonyms: tighten, solidify    

Antonyms:  weaken, dilute

Example Sentence:

The blood supply to the skin is reduced when muscles stiffen.

6. FRET(VERB): To worry

Synonyms: agonize, bother   

Antonyms: please, delight

                        

Example Sentence:

She was always fretting about something or the other. 

7. ETHEREAL(ADJECTIVE): Extremely delicate

Synonyms: light, sublime  

            

Antonyms: earthly, indelicate

Example Sentence: 

In this ethereal realm are the currents that make possible wireless telegraphy.

8. CONTRITE (ADJECTIVE): Chastened

Synonyms: repentant, sorrowful  

   

Antonyms: indifferent, unapologetic

Example Sentence:

He was so contrite that he wrote me a letter of apology.

9. CORNUCOPIA(NOUN):  Abundance

Synonyms: bounty, fullness   

Antonyms:  need, lack

Example Sentence:

I shall come from London Town with a cornucopia of presents.

10. FLOP(VERB): Slump

Synonyms: fall, drop    

Antonyms: succeed, achieve

Example Sentence:

 

She flopped, exhausted, on to the sofa.