Condense : make (something) denser or more concentrated.
Lengthen : make or become longer.
Expand : become or make larger or more extensive.
Distribute : give a share or a unit of (something) to each of a number of recipients.
Interpret : explain the meaning of (information or actions).

Antonym of Condense is Expand

As nouns the difference between economy and extravagance is that economy is effective management of the resources of a community or system while extravagance is excessive or superfluous expenditure of money.

As an adjective economy is cheap to run; using minimal resources; representing good value for money
 

'Capacious' means large or extensive.
The correct antonym of the given word is option D, 'limited' which means restricted or insufficient.
Options A, B and C are incorrect because 'changeable' means uncertain or variable, 'foolish' means stupid and 'caring' means heeding or concerned.

Indiscreet : Imprudent, unwise.
Reliable : Dependable.
Honest : Truthful, sincere.
Prudent : Wise, judicious.
Stupid : Unintelligent, ignorant.

Antonym of Indiscreet is Prudent.
 

The antonym of TANGIBLE is Ethereal.

In this sentence we would be selecting the word which is opposite to "absolute" from the given options.
Absolute means not limited in any way. Thus, the opposite would be something which is limited. This gives us Option C
Scarce means in a very small amount. This always does not mean that it is limited. It is the wrong choice
Faulty means when there is a problem in something. It is the wrong option
Deficient means the lack of something that is required, this means the substance is absent and thus it cannot be limited. It is also the wrong option 
Option C is correct 

Discourteous is rude and have no consideration for the feelings of other people.
Urbane is one who appears polite and comfortable in social situations.

The antonym of Graceful is Awkward.

Implicit : inherent, latent, ingrained, inherent, vested, latent, tacit.
Obnoxious : extremely unpleasant.
Pedantic : excessively concerned with minor details or rules, over scrupulous.

Explicit : stated clearly and in detail, leaving no room for confusion or doubt.
Obscure : not discovered or known about, uncertain

Antonym of Obscure is Explicit.
 

Nadir : the lowest or most unsuccessful point in a situation.
progress : forward or onward movement towards a destination.
Liberty : the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behaviour, or political views.
Zenith : highest point.
Modernity : the quality or condition of being modern.

Antonym of Nadir is Zenith

You think you will persuade him to live a comfortable life? Impossible! A Spartan way of life is sacrosanct for him. If something is sacrosanct, it is too holy or important to be allowed any harm. The opposite of holy is unholy.

Epilogue means 'a conclusion of a book or play' the opposite being Prelude meaning 'the event or action that serves as a beginning of a story or play’. For example: The prelude was so interesting that I decided to read the book.

The antonym of FRUGAL is EXTRAVAGANT.

The correct antonym of the word vanity is humility. Vanity means excessive pride on one's success and attainments which might be unjustified or unreal. Thus, the opposite of vanity is humility which means humbleness or not having too much pride.

Originally, insipid traces back to the Latin insipidus, which meant "tasteless." This word takes its form from a contraction of in-, meaning "not," and sapidus, meaning "tasty" and in turn derives from the verb sapere, meaning "to taste."

Victorious is an antonym for defeated in beaten topic.

Malicious means evil and Kind means gracious.
So, Kind is the antonym of Malicious

The antonym of PERTINENT is Irrelevant.