Correct option is D
The correct antonym of the given word is (d)
Refined.
Inchoate: Just begun and not fully formed or developed; rudimentary. (Hindi: अधूरा, अपूर्ण)
Example: His idea for the novel was still inchoate when he started writing.
Refined: Well-developed and polished; showing improvement in taste, manners, or quality. (Hindi: परिष्कृत, परिपक्व)
Example: Her taste in music is very refined.
Synonyms: rudimentary, undeveloped, formless, nascent.
Antonyms:
refined, polished, developed, matured.
Meanings of other options:
· (a)
Formless: Lacking a clear shape or structure (बिना आकार का)
· (b)
Artless: Without deception or pretension; natural (भोला, सरल)
· (c)
Articulate: Fluent or coherent in speech (स्पष्ट रूप से बोलने वाला)