straight (Adjective) : not in a curve or at an angle
meandering (Adjective) : wandering; not straight; curved
sliding (Adjective) : being in a smooth continuous motion
sloping (Adjective) : having a slanted direction
strained (Adjective) : showing the effects of worry or pressure; tense; not relaxed or friendly; not natural; forced

Correct Option: D

straight (Adjective) : not in a curve or at an angle
meandering (Adjective) : wandering; not straight; curved
sliding (Adjective) : being in a smooth continuous motion
sloping (Adjective) : having a slanted direction
strained (Adjective) : showing the effects of worry or pressure; tense; not relaxed or friendly; not natural; forced

dispassionate (Adjective) : not influenced by emotion ; impartial
fervent (Adjective) : having or showing very strong and sincere feelings; ardent
inexcitable (Adjective) : not likely to become easily excited
enduring (Adjective) : lasting for a long time
subdued (Adjective) : unusually quiet and possibly unhappy; not very bright; not very loud; not very busy

Correct Option: C

dispassionate (Adjective) : not influenced by emotion ; impartial
fervent (Adjective) : having or showing very strong and sincere feelings; ardent
inexcitable (Adjective) : not likely to become easily excited
enduring (Adjective) : lasting for a long time
subdued (Adjective) : unusually quiet and possibly unhappy; not very bright; not very loud; not very busy

vagueness (Noun) : unclearness by virtue of being vague or not clear
perspicuity (Noun) : clarity as a consequence of being perspicuous or easily understandable
dullness (Noun) : the quality of being slow to understand; lacking interest
unfairness (Noun) : injustice by virtue of not being equitable
unwillingness (Noun) : the quality of not willing to do something

Correct Option: A

vagueness (Noun) : unclearness by virtue of being vague or not clear
perspicuity (Noun) : clarity as a consequence of being perspicuous or easily understandable
dullness (Noun) : the quality of being slow to understand; lacking interest
unfairness (Noun) : injustice by virtue of not being equitable
unwillingness (Noun) : the quality of not willing to do something

falsehood (Noun) : the state of not being true; the act of telling a lie; a statement that is not true; lie
verity (Noun) : a belief or principle about life that is accepted as true; truth
sanctity (Noun) : the state of being very important and worth protecting; the state of being holy
reverence (Noun) : a feeling of great respect or admiration
rarity (Noun) : a person or thing that is unusual and is therefore often valuable or interesting; the quality of being true

Correct Option: C

falsehood (Noun) : the state of not being true; the act of telling a lie; a statement that is not true; lie
verity (Noun) : a belief or principle about life that is accepted as true; truth
sanctity (Noun) : the state of being very important and worth protecting; the state of being holy
reverence (Noun) : a feeling of great respect or admiration
rarity (Noun) : a person or thing that is unusual and is therefore often valuable or interesting; the quality of being true

pale (Adjective) : having skin that is whiter than usual because of illness, a strong emotion, etc ; light in colour; not strong or bright
florid (Adjective) : red ; having too much decoration or detail
weak (Adjective) : not physically strong
monotonous (Adjective) : never changing and therefore boring; dull; repetitious
ugly (Adjective) : unpleasant to look at; unattractive

Correct Option: B

pale (Adjective) : having skin that is whiter than usual because of illness, a strong emotion, etc ; light in colour; not strong or bright
florid (Adjective) : red ; having too much decoration or detail
weak (Adjective) : not physically strong
monotonous (Adjective) : never changing and therefore boring; dull; repetitious
ugly (Adjective) : unpleasant to look at; unattractive