a bit previous ad-lib advanced airy amateurish asleep careless casual caught napping caught off balance caught short cursory degage disregardant disregardful dumbfounded easygoing extemporaneous extemporized far ahead flippant forgetful forward free and easy goofing off half-baked half-cocked haphazard hasty heedless ill-considered impromptu improvised impulsive incautious incomplete inconsiderate indifferent inexpectant insouciant lazy makeshift napping nodding nonexpectant not firm oblivious off-guard offhand overhasty oversoon perfunctory precipitate precocious premature previous reckless regardless respectless rough-and-ready rushed semiskilled sleeping snap surprised tactless taken aback taken by surprise taken unawares thoughtless too early too soon tripped up unaccomplished unadmonished unadvised unalert unanticipating unanticipative unarranged unaware unbegun unbusinesslike uncautious uncoached uncompleted unconcocted uncontrived uncrystallized undeliberated undevised undiplomatic unendowed unexpecting unfinished unforewarned ungifted unguarded unguessing unhatched unheedful unheeding uninformed uninitiated unjelled unmade unmanufactured unmatured unmeditated unmindful unorganized unplanned unpolished unpremeditated unprimed unprofessional unready unripe unschooled unskilled unsolicitous unstudied unsuspecting untactful untalented untaught unthinking untimely untrained untutored unvigilant unwarned unwary unwatchful