Select the most appropriate synonym of the highlighted word.
Though she is my best friend, Sarah’s compliments felt superficial, lacking genuine warmth or understanding of my efforts.

Correct option is A

The correct synonym of the given word is (a) shallow.
Superficial: existing or occurring at or on the surface; lacking depth or sincerity. (Hindi: सतही / ऊपर-ऊपर का)
Example: His concern was superficial; he didn’t really care.
Shallow: lacking depth or seriousness. (Hindi: सतही / उथला)
Example: She gave only a shallow explanation.
Synonyms: shallow, surface-level, insincere.
Antonyms: deep, profound, genuine.
Meanings of other options:
· (b) Substantial – Important or meaningful (महत्वपूर्ण)
· (c) Profound – Deep or intense (गहरा)
· (d) Kind – Compassionate or nice (दयालु)