1.VARIATION (NOUN): difference
Synonyms: dissimilarity, disparity
Antonyms: similarity
Example Sentence:
There are regional variations in house prices.
2.IMPAIR (VERB): damage
Synonyms: harm, diminish
Antonyms: improve
Example Sentence:
A noisy job could impair my hearing.
3.CONTINUANCE (NOUN): continuation
Synonyms: carrying on, prolongation
Antonyms: discontinuance
Example Sentence:
His interests encouraged him to favour the continuance of war.
4.DEMOLISH (VERB): destroy
Synonyms: ruin, wreck
Antonyms: confirm
Example Sentence:
I looked forward keenly to demolishing my opponent.
5.EFFICACIOUS (ADJECTIVE): effective
Synonyms: successful, effectual
Antonyms: inefficacious
Example Sentence:
The treatment was quite efficacious.
6.INITIALLY (ADVERB): at first
Synonyms: to begin with, to start with
Antonyms: finally
Example Sentence:
Initially, he thought the new concept was nonsense.
7.RELIABLE (ADJECTIVE): dependable
Synonyms: good, well founded
Antonyms: unreliable
Example Sentence:
There is no reliable source of information these days.
8.CATASTROPHE (NOUN): disaster
Synonyms: calamity, cataclysm
Antonyms: salvation
Example Sentence:
The world is facing an environmental catastrophe.
9.SENTIMENTAL (ADJECTIVE): nostalgic
Synonyms: tender, emotional
Antonyms: dispassionate
Example Sentence:
She felt a sentimental attachment to the place creep over her.
10.UNFORTUNATE (ADJECTIVE): unlucky
Synonyms: hapless, down on one’s luck
Antonyms: fortunate
Example Sentence:
There had been an unfortunate accident that took place recently.
