indeliberate
nonthinking
unpremeditatedly
unawares
unplanned
unheededly
impulsive
unthoughtedly
unblundered
forethoughtless
straight
undeliberated
square
straightforward
snap judgment
nondenitrifying
spontaneous
ad-lib
unaccommodatingly
unwritten
non-suspecting
undecidedly
unintended
unaborted
unadvised
unallot
ill-advised
in countenance
unbegrudging
noncomprehending
thoughtlessly
indissuadably
incomprehensive
inofficiously
off the top of one's head
uncontradicted
unperturbed
unmitigatedly
undisquieted
unforethoughtful
uncoercively
noninquiring
pusillanimously
underarticulation
unforethought
unopsonized
nonopsonized
contingently
unweighed
currente calamo