Select the most appropriate synonym of the given word.
Deficient

Correct option is A

The correct synonym of the given word is (a) Lacking.
Deficient: Refers to something that is not enough or is missing an essential element. (अपूर्ण, जिसमें कुछ कमी हो)
Example: The report was deficient in relevant facts.
Lacking: Means not having something that is necessary. (कमी होना, अभाव होना)
Example: Her performance was lacking in energy and enthusiasm.
Synonyms: incomplete, insufficient, wanting, lacking.
Antonyms: abundant, sufficient, adequate, complete.
Meanings of the other options:
· (b) Bold: Showing courage or confidence (साहसी)
· (c) Challenging: Difficult in a way that tests your ability (चुनौतीपूर्ण)
· (d) Difficult: Hard to do or understand (कठिन)