We don't have synonyms for acuter yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are acute, Acute and acter.
(adj) :
(medicine) Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense does not imply severity, unlike the common usage.
(adj) :
(medicine) Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity.
(adj) :
(medicine) Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense does not imply severity, unlike the common usage.
(adj) :
(medicine) Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity.