1. QUANDARY(NOUN): Difficulty

Synonyms: dilemma, predicament           

Antonyms: good fortune, advantage

Example Sentence:

These days he is in quandary because he got his walking papers.

2. PIQUE (NOUN):Anger

Synonyms: annoyance, grudge               

Antonyms: pleasure, joy

Example Sentence:

 

Why are you fixed in your ways and always show pique towards him?

3. PECCADILLO (NOUN): Small fault

Synonyms: impropriety, indiscretion             

Antonyms: blunder, goof

Example Sentence:

Why are you doing a runner over such a peccadio?

4. PANOPLY(NOUN):Display

Synonyms: exhibition, presentation            

Antonyms: concealment, hiding

Example Sentence:

His profane words were a pure panoply of his rigidness.

5. PROPITIOUS (ADJECTIVE):Friendly

Synonyms: benevolent, kind    

Antonyms: unfavourable, unfriendly

Example Sentence:

She is a propitious lady and usually chews the fat.

6. QUISLING (NOUN):Traitor

Synonyms: betrayer, judas                     

Antonyms: loyalist, jingoist

Example Sentence:

His upbringing has gone pear shaped for he is a bounty quisling.

7. PROFUNDITY (NOUN):Wisdom

Synonyms: intelligence, perspicacity       

Antonyms: stupidity, imprudence

Example Sentence:

He pulled off smoking cold turkey and showed his profundity. 

8. OPPROBRIOUS (ADJECTIVE): Abusive

Synonyms: abasing, calumniatory   

Antonyms: kind, complimentary

Example Sentence:

She took umbrage on his opprobrious remarks.

9. KOWTOW (VERB):Grovel

Synonyms: genuflect, pander           

Antonyms: unravel, unbend

Example Sentence:

Surely I’ll kowtow before anyone when pigs fly.

10. LAMBENT (ADJECTIVE):Luminous

Synonyms: bright, brilliant   

Antonyms: dim, dull

Example Sentence:

Don’t even touch this lambent stone, this may have fallen off the back of a lorry.