Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1530s, from Latin acumen "a point, sting," hence "mental sharpness, shrewdness," from acuere "to sharpen" (see acuity).

MORE RELATED WORDS FOR ACUMINOUS

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.