unpremeditated

adj

Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English premeditated English unpremeditated From un- + premeditated.

1. Performed, but not planned or thought out in advance; extemporaneous, but not unintentional.

   “Hail to thee, blithe spirit! / Bird thou never wert, / That from heaven, or near it, / Pourest thy full heart / In profuse strains of unpremeditated art.”