Definition of peracute in English:

peracute

adjective

Veterinary
  • (of a disease) very severe and of very short duration, generally proving quickly fatal.

    ‘the peracute form results in sudden death’
    • ‘Although dogs can die from the peracute form of the disease, many dogs are successfully treated with intravenous fluids and antibiotics.’
    grave, serious, dangerous, risky, perilous, hazardous, precarious, touch-and-go, in the balance, uncertain, desperate, dire, acute, very bad
    View synonyms

Origin

Late Middle English: from Latin peracutus very sharp.

Pronunciation:

peracute

/ˌpəːrəˈkjuːt/