adjective
- having a sharp point
- keen or quick of mind; shrewd
- sensitive to impressions: acute hearing
- severe and sharp, as pain, jealousy, etc.
- severe but of short duration; not chronic: said of some diseases
- very serious; critical; crucial: an acute shortage of workers
- shrill; high in pitch
- of less than 90 degrees: an acute angle
- intensive (sense )
Origin:
L acutus, pp. of acuere, sharpen: see acumen