unready

immature incomplete untimely

a bit previous abortive early on embryonic forward green inopportune overearly oversoon precipitate predeveloped previous raw soon unanticipated undeveloped unfledged unripe

backward careful cautious delayed late mature overdue prepared slow

green immature

experienced old

unaware vulnerable

ad-lib caught off guard ill-considered impromptu improvised napping not prepared off the cuff off the top of one's head offhand played by ear spontaneous surprised taken off guard unexpected unplanned unrehearsed unschooled unskilled untrained winged

incompetent inexperienced uneducated unqualified unschooled

awkward green inadequate inept inexpert inproficient not up to raw unable undeveloped unequipped unhandy untalented

competent educated experienced expert learned

incompatible

inapt unfitting unseemly

suitable

heavy inactive lethargic listless slack slow stagnant

apathetic blah comatose dopey down dragging draggy drippy hebetudinous indolent inert laid-back languid languorous leaden lifeless lumpish mooney off phlegmatic pokey sleepyheaded slothful sluggard slumberous stiff sullen torpid unresponsive

active alert busy energetic lively moving

fast spirited

apathetic bored careless distracted distraught indifferent oblivious

absent absentminded blind distrait diverted dreamy faraway heedless inadvertent inobservant listless lost musing neglectful off-guard out to lunch preoccupied rapt regardless remiss removed scatterbrained thoughtless unconscious undiscerning unheeding unmindful unnoticing unobservant unobserving unperceiving unthinking unwatchful vague

caring concerned interested mindful

attentive heedful looking noticing observant

insensitive passive

cold cool frigid unemotional unfeeling

responsive

asleep asleep at the switch derelict flat-footed napping negligent not on the job unalert unguarded unprepared unwatchful

short

aback abruptly accidentally by accident by mistake by surprise carelessly ignorantly inadvertently mistakenly off guard sudden surprisingly unconsciously unexpectedly unintentionally unknowingly unprepared unwittingly

consciously knowingly