Choose the most appropriate ANTONYM of the given word.

PERSPICACIOUS

Inattentive 

The most appropriate antonym of the word PERSPICACIOUS is INATTENTIVE.

• Perceptive means "having or showing keen mental vision or discernment."
• Inattentive means "not paying attention; not mindful."

The other words do not have the same meaning as inattentive.

• Hinder means "to delay or prevent someone or something from doing something."
• Rattle means "to make a series of short, sharp, rattling sounds."
• Clangor means "a loud, harsh, metallic sound."