Antonyms

Raucous means harsh.

‘Flimsy’ is weak and unimportant. Hence, 'sturdy' is the correct answer.

Benign means gentle, harmless, or kind. Sinister means threatening, evil, or harmful. These are direct opposites in meaning.

Jittery means nervous, anxious, or apprehensive. Bold means confident and courageous. These represent opposite temperaments.

Secular means non-religious or not connected with spiritual matters. Religious means concerned with religion. These are opposite concepts.

Antipathy means strong dislike or aversion. Fondness means affection or liking. These are opposite emotional states. Note the spelling error in the question.

Acute means sharp, keen, or intense. Dull means blunt or not sharp, making it the correct antonym in this context. Bold means confident, fool refers to a foolish person, and cool means cold or calm - none are direct opposites of acute.

Impropriety means inappropriate behavior or lack of proper conduct. Decorum means proper behavior or correctness of conduct, making it the direct antonym. Foul means offensive, dry means lacking moisture, and neither are opposites of impropriety.

Vulgar means lacking sophistication, coarse, or rude. Refined means cultured, polished, or elegant, making it the correct antonym. Freed means released, old means not young, and kind means generous - none are direct opposites of vulgar.

Sympathy means feeling pity or sorrow for someone else's misfortune. Apathy means lack of interest, enthusiasm, or concern, making it the correct antonym. Jolly means cheerful, inner means inside, and suffer means to experience pain - none are direct opposites of sympathy.

Serene means calm, peaceful, tranquil. Its antonym is agitated meaning excited, disturbed, or troubled. Option D is correct. Inner, suffer, and short do not directly oppose the meaning of serene. Agitated is the best opposite.

Tedious means boring, dull, or repetitive. The opposite is lively meaning energetic, interesting, or engaging. Option D is correct. Accept, shy, and place are not true opposites of tedious. Lively directly counters the boring nature of something tedious.

Meticulous means showing great attention to detail, very careful and precise. Its opposite is slovenly meaning careless, messy, or negligent. Option B is correct. Actual, host, and none of these are not antonyms. Slovenly directly contrasts the carefulness implied by meticulous.

Bliss means extreme happiness, joy, or blessedness. Misery means great suffering, distress, or unhappiness - they represent opposite emotional states.

Density refers to thickness, compactness, or how closely packed something is. Rarity refers to scarcity or how uncommon something is - they represent contrasting concepts of abundance vs. scarcity.