acute

adjective
C1+
1
C1+
very serious or severe
حاد, شدید, وخیم
2
C1+
an acute illness is one that has quickly become severe and dangerous
حاد, وخیم
acute appendicitis
opposite chronic
3
describing or designed for patients suffering from an acute illness
حاد, شدید, وخیم
acute patients
an acute ward
4
C1+
very sensitive and well developed
حساس, تیز, تیزبین, درک‌کننده
Dogs have an acute sense of smell.
synonym keen
5
C1+
intelligent and quick to notice and understand things
تیزهوش, زیرک, باهوش, هوشمند, موشکاف
He is an acute observer of the social scene.
Her judgement is acute.
6
less than 90°
زاویه تیز, زاویه کمتر از 90 درجه, زاویه کمتر از قائمه
compare obtuse(2)