Mixed-Vocabulary - 9

Ssedulous is diligent; musty and fusty mean stale smelling and putrid means foul smelling.

(D) Coda is ending; others are beginnings.

(A) Fustian is pompous; others are bright.

(4) Macerate is to soften by wetting during the act of chewing; others are to satisfy especially in terms of drink and thirst.

Ambulatory means relating to walking or capable of walking, while bed-ridden means confined to bed and unable to walk - direct opposites.

Traduce means to slander, defame, or speak ill of someone - essentially betraying their reputation through malicious words or accusations.

Suave =  courteous with a degree of sophistication

Gauche = lacking social polish

Mystic = related to mysticism

Boorish = ill mannered and coarse  and contamptible in behaviour

Aromatic =  having a strong pleasant odor

So, among the 4 options the most opposite to the given word is boorish.

Blanch means to make pale or white (often through heat or by removing color), while darken means to make something dark or darker - they are direct opposites.

Saunter means to walk in a slow, leisurely, relaxed manner, while sprint means to run at full speed - one represents unhurried movement, the other maximum speed.

Obfuscate means to deliberately make something unclear, confusing, or difficult to understand - often to conceal the truth or obscure meaning.

Festal means relating to a feast, celebration, or festival - merry, festive, or joyful in nature, associated with happy occasions.

Genre refers to a category, type, or kind of artistic work (literary, musical, etc.) - kind is the closest synonym meaning type or class.

Extemporaneous means spoken or performed without preparation, impromptu, or spontaneous, while rehearsed means practiced and planned beforehand.

Bowdlerise means to remove objectionable or offensive material from a literary work or text, named after Thomas Bowdler who cleaned up Shakespeare's works. Censor is the correct synonym as it refers to suppressing or removing unacceptable material. Dictate (to command), persuade (to convince), and confuse (to perplex) are unrelated to the concept of removing offensive content.

Pensive is serious; others are non-serious.