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Home/USA Today Rootonym/Keenness of insight or judgment; mental sharpness; shrewdness (noun)

Keenness of insight or judgment; mental sharpness; shrewdness (noun)

Nora WhitfieldNora Whitfield Crossword Editor · Verified answers

Looking for the answer to the USA Today Rootonym clue “Keenness of insight or judgment; mental sharpness; shrewdness (noun)”? The solution is ACUMEN, a 6-letter word built on the root ACU (“sharp”). It appeared in the October 24, 2026 (Saturday) USA Today Rootonym. See the full puzzle for that day's other words.

Answer
ACUMEN
ACU***ACUmeans “sharp”
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In a sentence

Oliver was hired for his ACUMEN and exceptional financial reputation as a businessman.

About this clue

The Rootonym clue “Keenness of insight or judgment; mental sharpness; shrewdness (noun)” has the answer ACUMEN (6 letters), built on the root ACU, which means “sharp”. Browse the full October 24, 2026 Rootonym puzzle for the other three words, or see all Rootonym answers.

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