Bengali Meaning: অদক্ষ, অপটু।
Mnemonic: In + Expert নেই → যে Expert নয়, সে-ই Inept।
Synonyms: incompetent, unskilled, clumsy
Antonyms: skilled, proficient, adept
Sentence: His inept handling of the project led to its failure.

Other Option Meanings:
A. Highly skilled – অত্যন্ত দক্ষ
C. Moderately capable – মাঝারি সক্ষম
D. Extremely efficient – অত্যন্ত দক্ষ