Vocabulary: Find the Odd One Out

Parched means completely dry. All the other options are opposite in meaning to it.

Fresher refers to a first-year student. All the other options are related to being dull.

Erudite refers to learned or scholarly whereas other options are related to strange or unknown.

Firm is opposite in meaning to all the other options.

All the other options refer to a person who is a stranger to a place.
Native refers to a person born in a specified place or associated with a place by birth, whether subsequently resident there or not

Huge is antonymous to all the other options i.e., they are related to being small.

All of the above, except "escape", are synonyms. A lacuna is a gap that generally needs to be filled. A loophole is a gap or error in the wording of a contract or law which allows for something to happen. This is similar in scope to a discrepancy as a discrepancy can lead to a gap or loophole. Hence, escape is correct.

Quaint refers to old-fashioned whereas other words are used to refer to someone (esp. male) who is too much concerned about his clothing.

Naive is used to identify someone who is an amateur.

Industrious, diligent and alert describe someone who is very serious and clever at work. Lenient is usually associated with a soft approach.

Continuation is the odd word out.

Skeptic, dubious and suspicious are synonyms. Doubtless is the antonym.

Frisky, frantic and frenzy are synonyms, which mean excitement.

Finesse, adroit and adept is associated with skillfullness.

Cooling is an antonym of all the other options here.