Select the most appropriate synonym of the given word. Astute

The most appropriate synonym of the word astute is shrewd.

• Astute means "having or showing keen powers of judgment and observation."
• Shrewd means "having or showing sharp powers of judgment; astute."
• Dull means "not bright or intelligent; slow-witted."
• Impolite means "not polite; rude."
• Crude means "in a rough or unrefined way; lacking in sophistication."