unpremeditated
adjective
[ ʌnpriːˈmɛdɪteɪtɪd ]
• (of an act, remark, or state) not thought out or planned beforehand.
• "it was a totally unpremeditated attack"
Similar:
unplanned,
spontaneous,
unprepared,
unarranged,
uncontrolled,
unintentional,
unintended,
extempore,
extemporary,
extemporized,
extemporaneous,
impromptu,
ad lib,
spur-of-the-moment,
on-the-spot,
improvised,
improvisatory,
unrehearsed,
unscripted,
unstudied,
uncontrived,
casual,
impulsive,
hasty,
unthinking,
natural,
involuntary,
automatic,
ad libitum,
off-the-cuff,
