Synonyms

Gogitate means to think deeply. So, only speculate which means to think deeply about various aspects or meditate is the correct answer. Contrive means to design or invent and is incorrect. 

Correct answer is option 2.

Something that is done covertly is done in a manner that is not in plain sight. Hence, hidden is correct.

'Churlish' means 'rude in a mean-spirited way'. 

'Convivial' means 'friendly, lively and enjoyable'. Hence, option (4) is the correct answer. 

'Halt' means 'bring or come to an abrupt stop'.
'Pause' means 'interrupt action or speech briefly'.
Thus, synonym of 'halt' is 'pause'. 

 Conjecture means an opinion or conclusion formed on the basis of incomplete information. It is synonymous to "guess".

'Cajole' means 'persuade to do something'.
'Coax' means 'persuade someone gradually or gently to do something'. 

'To bluster' means 'loud or aggressive'.
'To boast' means 'to talk with excessive pride and self-satisfaction about one's achievements'. 

Hence, option 1 is correct.

Compunction means deep regret or remorse.

Dearth means a scarcity or lack of something, particularly referring to an inadequate supply or shortage. The word is often used in contexts like 'dearth of resources' or 'dearth of evidence'. 'Scarcity' is the closest synonym, while distress relates to suffering, agreement to harmony, and honesty to truthfulness.

Decorous means characterized by propriety, good taste, and dignified conduct. It describes behavior that is socially acceptable, proper, and polite. 'Proper' is the closest synonym. Vigorous means strong and energetic, strong is similar to vigorous, and vigilant means watchful or alert.

Dichotomy means division into two parts, kinds, etc.

Deprecate means to express disapproval of something, or to belittle and disparage it. While it can mean 'to regret' in formal contexts, in the sense of 'to depreciate,' 'belittle' is the closest match. Encourage, motivate, and appreciate are all antonyms representing positive actions or attitudes.

 Gratuitous means unwarranted; unearned.

 Erudite means scholarly; well-learned.

Excoriate means to criticise or condemn (someone) severely. 

Flaunt means to show off.

'Jargon' means 'special words or expressions used by a profession or group'.
'Slang' means 'a type of language consisting of words and phrases restricted to a particular group of people'.

Thus, synonym of 'jargon' is 'slang'. 

'Inexorable' means 'impossible to change or alter'.
'Unyielding' means 'incapable of being changed'.

'Impugn' means 'to challenge as false'. Thus, its synonym is 'to dispute'.

'Hypothesis' means 'a tentative explanation for an observation'. 'Assumption' means 'a proposition that is accepted as true'.
Hence, synonym of 'hypothesis' is 'assumption'.

Correct answer is option 1.

Livid means furious, enraged, or angry, particularly describing a pale or ashen appearance from extreme anger. It can also mean discolored or bruised-looking. 'Furious' is the correct synonym. Content means happy, excited means emotional enthusiasm, and lively means energetic or animated.

Haggard means appearing exhausted, worn out, or gaunt, typically from fatigue, suffering, or hardship. It describes a tired and drawn appearance. 'Tired' is the correct answer. Agile and energetic are antonyms meaning quick and active, while fresh means rejuvenated or new.