Of an angle: less than 90 degrees.
Of a triangle: having all three interior angles measuring less than 90 degrees.
Of an accent or tone: generally higher than others.
Intense, sensitive, sharp.
Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity.
Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense does not imply severity, unlike the common usage.
Urgent.
Brief, quick, short.
After a letter of the alphabet: having an acute accent.
With the sides meeting directly to form an acute angle (at an apex or base).
High or shrill.
To give an acute sound to.
An acute accent (´).
A person who has the acute form of a disorder, such as schizophrenia.
An accent or tone higher than others.
Running in the direction of the long axis of a body.
Relating to length, or to longitude.
Forward and/or backward, relative to some defined direction.
Sampling data over time rather than merely once.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.