DictionaryacuteSevere or intense
adjective

acute

uh-KYOOT/əˈkjuːt/

Exceptionally sharp in intensity or perception.

She grips her side in acute pain and steadies herself.

Person abruptly grips side of abdomen and bends slightly with intense brief pain expression, nearby chair supports other hand, no gore or dramatic emergency accessories.
Etymology

From “to sharpen,” the Latin participle meant “sharp” or “pointed” and also “penetrating” or “intelligent.” That image of sharpness connects intense pain with keen perception.

In context

Storytime Haven237:24
an acute observer might have read in the curves of his lips a little of the contempt he felt for the man before him.
A Prince of Swindlers 👑💰 | A Tale of Deceit and Adventure by Guy Boothby

More examples

  • The region faces an acute shortage of clean water.
  • Her acute hearing detects a faint ticking behind the wall.
  • He offers an acute analysis of the proposal's weaknesses.

Forms

acuteness noun — Sharpness of perception or intensity of feeling.

Similar words

severe
Emphasizes seriousness without necessarily suggesting sharpness or sensitivity.
keen
Often emphasizes perceptiveness rather than distress or urgent need.