ENGLISH LITERATURE (CBSE/UGC NET)

Detailed explanation-1: -calm, tranquil, serene, placid, peaceful mean quiet and free from disturbance. calm often implies a contrast with a foregoing or nearby state of agitation or violence. the protests ended, and the streets were calm again. tranquil suggests a very deep quietude or composure.

Detailed explanation-2: -Some common synonyms of tranquil are calm, peaceful, placid, and serene.

Detailed explanation-3: -Quite is a degree adverb. It has two meanings depending on the word that follows it: ‘a little, moderately but not very’ and ‘very, totally or completely’: … Quite + gradable adjectives and adverbs. When we use quite with a gradable adjective or adverb, it usually means ‘a little, moderately but not very’.

Detailed explanation-4: -TRANQUIL (adjective) definition and synonyms | Macmillan Dictionary.