1. ATTEST (VERB): (संपुष्टि करना): certify

Synonyms: corroborate, confirm

Antonyms: disprove

Example Sentence:
The witnesses must attest and sign the will in the testator’s presence.

2. VOLATILE (ADJECTIVE): (परिवर्तनशील): tense

Synonyms: strained, fraught

Antonyms: stable

Example Sentence:

The political situation was becoming more volatile.

3. DEMARCATION (NOUN): (सीमांकन): separation

Synonyms: distinction, differentiation

Antonyms: indefiniteness

Example Sentence:

The demarcation of the maritime border was essential.

4. EXPEDITE (VERB): (शीघ्रता करना): speed up

Synonyms: accelerate, hurry

Antonyms: delay

Example Sentence:
He promised to expedite economic reforms.

5. DEMOLITION (NOUN): (विध्वंस): destruction

Synonyms: knocking down, flattening

Antonyms: construction

Example Sentence:

The monument was saved from demolition.

6. FATALITY (NOUN): (मृत्यु): death

Synonyms: casualty, mortality

Antonyms: birth

Example Sentence:

Pedestrian fatalities seldom occur in built-up areas.

7. ADAPTATION (NOUN): (अनुकूलन): converting

Synonyms: conversion, alteration

Antonyms: incongruity

Example Sentence:

The adaptation of a teaching strategy is needed.

8. HAZARDOUS (ADJECTIVE): (खतरनाक): dangerous

Synonyms: risky, unsafe

Antonyms: safe

Example Sentence:

We have to work in hazardous conditions.

9. PROLONG (VERB): (बढ़ाना): lengthen

Synonyms: extend, draw out

Antonyms: shorten

Example Sentence:
I don’t want to prolong the discussion.

10. RETAIN (NOUN): (रखे रहना): keep

Synonyms: hold on to, hold fast to

Antonyms: give up

Example Sentence:

Labour retained the seat.