adjective
acuter; -est
[or more ~; most ~]
very serious or dangerous :requiring serious attention or action
usually used before a noun :having or showing an ability to think clearly and to understand what is not obvious or simple about something
very strong and sensitive :highly developed
strongly felt or experienced
medical
very sharp and severe
becoming very severe very quickly
A hospital or doctor who specializes in acute care works with patients who have diseases or problems that require immediate care.
mathematics :ending in a sharp point :measuring less than 90 degrees
of an accent mark :having the form
US