acute adjective
Categories: abnormalcy: course of; intelligence: degrees of.
1604, Cawdrey:
sharp, wittie, quick.
1626, Cockeram:
witty, sharpe.
1658, Phillips:
sharp-pointed also, sharp-witted. An acute disease the physicians call that which by reason of its vehemency immediately grows to a hight and so presently decays or kils: also an acute-angle is when two lines do inclose less than a square, thereby becoming more sharp.
1676, Coles:
Not listed.