imprudent
a bit previous
advanced
automatic
bad
botched
bungled
butchered
casual
far ahead
forward
fumbled
futile
gut
half-baked
half-cocked
hasty
ill-advised
ill-contrived
ill-devised
ill-done
ill-executed
ill-gauged
ill-judged
ill-managed
ill-seasoned
ill-suited
ill-timed
impolitic
improper
impulsive
inadvertent
inadvisable
inappropriate
inapt
inauspicious
incongruous
inconsiderate
inconvenient
indeliberate
indiscreet
inept
inexpedient
infelicitous
injudicious
inopportune
insensate
intempestive
intrusive
involuntary
foolhardy
headstrong
hot-headed
hot-tempered
ill-conceived
ill-starred
illogical
oft-repeated
spur-of-the-moment
thrill-seeking
uncalled-for
unconstitutional
unfair
ungenerous
unobservant
unphilosophical
unsupported
untimely
well-meant