Correct option is A
The correct synonym of the given word is (a) Shallow.
Superficial: Refers to something only on the surface or lacking depth or sincerity. (Hindi: सतही, ऊपर-ऊपरका)
Example: Her concern seemed superficial and insincere.
Shallow: Also means lacking depth of character, knowledge, or sincerity. (Hindi: उथला)
Example: His comments were too shallow to take seriously.
Synonyms: cursory, surface-level, shallow, skin-deep
Antonyms: profound, deep, thoughtful, genuine
Meanings of other options:
· (b) Derogatory: Expressing disrespect. (Hindi: अपमानजनक)
· (c) Regardless: Despite the prevailing condition. (Hindi: बावजूदइसके)
· (d) Insubstantial: Weak, flimsy. (Hindi: दुर्बल, तुच्छ)