1. PLETHORA(NOUN): excess

Synonyms: deluge, plenty           Antonyms: scarcity, need

Example Sentence: 

He eagerly accepted the job because it came with a plethora of opportunities.

 

2. SANGUINE (ADJECTIVE):happy

Synonyms: buoyant, cheerful        Antonyms: depressed, gloomy

Example Sentence:

He is a sanguine person in every adverse situation.

3. DETERIOUS (ADJECTIVE):harmful

Synonyms: bad, destructive                Antonyms: helpful, assisting

Example Sentence:

Smoking induces deleterious effects to our body.

4. OUST (VERB): expel

Synonyms: depose, dethrone               Antonyms: welcome, hold

Example Sentence: 

He was ousted from his own house to an old age home.

5. CONCEDE (VERB):acknowledge

Synonyms: accept, admit      Antonyms: deny, refuse

Example Sentence: 

The police will have to concede to the kidnapper’s demands to free the hostages.

6. SUERSEDE(VERB): overrule

Synonyms: annul, repudiate      Antonyms: keep, retain

Example Sentence:

The older models of ACs have now been superseded.

7. ASSUAGE (VERB):pacify

Synonyms: mollify, mitigate             Antonyms: aggravate, intensify

Example Sentence: 

The victim was assuaged afterwards by the session judge.

8. FEROCIOUS (ADJECTIVE): brutal

Synonyms: cruel, harsh        Antonyms: gentle, kind

Example Sentence:

It was a ferocious sight of doom.

9. DEBASED (ADJECTIVE): despicable

Synonyms: unsavoury, contemptible        Antonyms: reputable, respectable

Example Sentence: 

He is such a debased man that he pounced on her being leader.

10. OUTRIGHT (ADJECTIVE): whole

Synonyms: total, gross    Antonyms: partial, incomplete

Example Sentence: 

 

He was paid for an outright service.