1. GARGANTUAN (ADJECTIVE): (विशाल): enormous

Synonyms: massive, huge

Antonyms: tiny

Example Sentence:

Tigers and lions have a gargantuan appetite.

2. RELATIVE (ADJECTIVE): (तुलनात्मक): comparative

Synonyms: respective, comparable

Antonyms: absolute

Example Sentence:

The relative effectiveness of the various mechanisms is not known.

3. SUBSTANTIAL (ADJECTIVE): (प्रबल): sturdy

Synonyms: solid, stout

Antonyms: insubstantial

Example Sentence:

He lives near the row of substantial Victorian villas.

4. EFFICACY (NOUN): (प्रभावोत्पादकता): effectiveness

Synonyms: success, potency

Antonyms: inefficacy

Example Sentence:

There is little information on the efficacy of this treatment.

5. INTRIGUE (VERB): (दिलचस्प बनाना): interest

Synonyms: fascinate, attract

Antonyms: bore

Example Sentence:

The whole class was intrigued by his unique question.

6. ESCALATION (NOUN): (वृद्धि): rise

Synonyms: hike, advance

Antonyms: plunge

Example Sentence:

A further escalation of the crisis now seems inevitable.

7. UNACCEPTABLE (ADJECTIVE): (अस्वीकार्य): intolerable

Synonyms: insufferable, unsatisfactory

Antonyms: acceptable

Example Sentence:

His behaviour was unacceptable.

8. CONSIDERABLE (ADJECTIVE): (ध्यान देने लायक़): distinguished

Synonyms: noteworthy, noted

Antonyms: insignificant

Example Sentence:

Snow was a limited, but still considerable, novelist.

9. MENACE (VERB): (खतरे में डालना): threaten

Synonyms: jeopardize, imperil

Antonyms: friendly

Example Sentence:

Africa’s elephants are still menaced by poaching.

10. VACANT (ADJECTIVE): (भावशून्य): blank

Synonyms: expressionless, deadpan

Antonyms: expressive

Example Sentence:

I came across a vacant stare.