opaque (Adjective) : not clear enough to see through or allow light through ; difficult to understand; impenetrable
transparent (Adjective) : obvious ; clear ; allowing you to see through it ; easy to understand
translucent (Adjective) : allowing light to pass through but not transparent
clear (Adjective) : obvious ; transparent
sharp (Adjective) : having a fine edge or point

Correct Option: B

opaque (Adjective) : not clear enough to see through or allow light through ; difficult to understand; impenetrable
transparent (Adjective) : obvious ; clear ; allowing you to see through it ; easy to understand
translucent (Adjective) : allowing light to pass through but not transparent
clear (Adjective) : obvious ; transparent
sharp (Adjective) : having a fine edge or point

hope (Noun) : a feeling that something you want will happen
despair (Noun) : the feeling of losing all hope
sneer (Noun) : an unpleasant look, smile or comment
compliment (Noun) : a remark that expresses praise/admiration
irony (Noun) : the amusing/ strange aspect of a situation that is very different from what you expect

Correct Option: D

hope (Noun) : a feeling that something you want will happen
despair (Noun) : the feeling of losing all hope
sneer (Noun) : an unpleasant look, smile or comment
compliment (Noun) : a remark that expresses praise/admiration
irony (Noun) : the amusing/ strange aspect of a situation that is very different from what you expect

ignorant (Adjective) : lacking knowledge/information
erudite (Adjective) : having/ showing great knowledge that is gained from academic study ; learned
illiterate (Adjective) : not educated ; not knowing how to read/write
crude (Adjective) : simple and not very accurate; offensive/rude
boring (Adjective) : not interesting

Correct Option: D

ignorant (Adjective) : lacking knowledge/information
erudite (Adjective) : having/ showing great knowledge that is gained from academic study ; learned
illiterate (Adjective) : not educated ; not knowing how to read/write
crude (Adjective) : simple and not very accurate; offensive/rude
boring (Adjective) : not interesting

defiant (Adjective) : openly refusing to obey
chivalrous (Adjective) : polite, kind and behaving with honour; gallant
gallant (Adjective) : brave ; heroic dastardly (Adjective) : evil and cruel
amorous (Adjective) : showing sexual desire and love towards somebody

Correct Option: D

defiant (Adjective) : openly refusing to obey
chivalrous (Adjective) : polite, kind and behaving with honour; gallant
gallant (Adjective) : brave ; heroic dastardly (Adjective) : evil and cruel
amorous (Adjective) : showing sexual desire and love towards somebody

active (Adjective) : always busy doing things
dormant (Adjective) : not active; in active
acute (Adjective) : very serious
able (Adjective) : to have the skill, intelligence, opportunity, etc.
ablaze (Adjective) : burning quickly and strongly

Correct Option: B

active (Adjective) : always busy doing things
dormant (Adjective) : not active; in active
acute (Adjective) : very serious
able (Adjective) : to have the skill, intelligence, opportunity, etc.
ablaze (Adjective) : burning quickly and strongly