Definition of unpremeditate in US English:

unpremeditate

adjective

rare, archaic, poetic
  • Unpremeditated.

Origin

Mid 16th century; earliest use found in Ralph Robinson (1520–1577), translator. From un- + classical Latin praemeditātus premeditate.

Pronunciation

unpremeditate

/ˌʌnprɪˈmɛdɪteɪt/