Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
acute [əˈkjuːt] adj (illness, mind, angle) о́стрый*остр (anxiety) си́льный#; (person, observer) проница́тельный*проница́телен (LING)
acute accent аку́т
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: