acute
adjective
The word "acute" has several meanings depending on the context:
Medical/Health Context: Refers to a condition that comes on suddenly and is severe but short-term. For example, "acute pain" is intense and sharp, and "acute illness" is a serious condition that develops quickly.
Geometric Context: Describes an angle that is less than 90 degrees. For example, an "acute angle" is any angle that measures less than 90 degrees.
General Use: Indicates something that is very perceptive, sensitive, or intense. For example, "acute awareness" means a heightened awareness of something.
Example
1. The pain in her stomach was acute.
2. He had an acute sense of hearing.
3. Her acute attention to detail saved the project.