1. BOLSTER (VERB):strengthen

Synonyms: help, aid                              Antonyms: hinder, stop

Example sentence:

This step is taken to bolster the relations between the two countries.

2. MULTITUDE (NOUN):crowd

Synonyms: mass, throng                   Antonyms: paucity, minority

Example sentence:

There was a huge multitude in that mall.

3. DYSPEPTIC (ADJECTIVE):irritable

Synonyms: crabby, grouchy            Antonyms: cheerful, happy

Example sentence:

I dislike dyspeptic people around.

4. PLATITUDE(NOUN): truism

Synonyms: banality, cliché                   Antonyms: coinage, original saying

Your platitude is meaningless and does nothing for my anger.

5. DEBACLE (NOUN):breakdown

Synonyms: collapse, drubbing                    Antonyms: attainment, creation

Example sentence:

That moment was a tome of debacle for me.

6. DIFFIDENT (ADJECTIVE):bashful

Synonyms: meek, timid                    Antonyms: confident, extroverted

Example sentence:

Don’t be a diffident spectators if crime is taking place before your very eyes.

7. ANNUL (VERB):abolish

Synonyms: abrogate, cancel     Antonyms: allow, continue

Example sentence:

The practice of immolation had been annulled already.

8. EXPURGATE (VERB):sensor

Synonyms: bleep, decontaminate            Antonyms: make dirty, contaminate

Example sentence:

It seems to me that it is immoral to try to expurgate anything from the sacred writings of the past.

9. DEMURE (ADJECTIVE):reserved

Synonyms: shy, reticent             Antonyms: bold, brave

Example sentence:

He is a demure person.

10. INNUNDATE (VERB):have a strong emotional effect on.

Synonyms: touch, overwhelm         Antonyms: underwhelm, unimpressed  

Example sentence:

We’ve been inundated with their compliments for our new car.