Correct option is C
Option (c) is the incorrectly spelt word.
Correct spelling is:
“Abstruse”, which means difficult to understand; obscure. (गूढ़, कठिन)
Example: The professor's lecture on quantum mechanics was too abstruse for beginners.
Meanings of all the given options:
· (a)
Accede: To agree to a request or demand. (मंज़ूरी देना)
· (b)
Accost: To approach and speak to someone boldly. (सामना करना या सवाल पूछना)
· (c)
Abstruce: ❌ Incorrect spelling of "Abstruse".
· (d)
Abnegation: The act of rejecting or renouncing something. (त्याग करना)