Angled between zero and 90 degrees (5)
I believe the answer is:
acute
(Other definitions for acute that I've seen before include "Discerning" , "Grave" , "Critical: shrewd" , "Angle of less than 39 degrees" , "Penetrating; accent" .)
I believe the answer is:
acute
(Other definitions for acute that I've seen before include "Discerning" , "Grave" , "Critical: shrewd" , "Angle of less than 39 degrees" , "Penetrating; accent" .)