Correct option is B
The correct antonym of the given word is (b)
Mature.
Young: being in the early stage of life, youthful. (Hindi: युवा / नवयुवक)
Example: She is young and energetic.
Mature: fully developed physically or mentally; older. (Hindi: परिपक्व / सयाना)
Example: He’s more mature now than he was in college.
Synonyms of Young: juvenile, youthful, teen.
Antonyms of Young: mature, old, elderly.
Meanings of other options:
·
(a) Stiff – rigid or hard (कठोर)
·
(c) Boyish – youthful in a male way (लड़कों जैसा)
·
(d) Moist – slightly wet (नम)