underachieving

apathetic careless dull inattentive indifferent lackadaisical lethargic passive sleepy tired weary

asleep on the job comatose dallying dilatory drowsy flagging idle indolent inert laggard lagging languid languorous lifeless loafing neglectful out of it procrastinating remiss shiftless slack slothful slow slow-moving snoozy somnolent supine tardy torpid trifling unconcerned unenergetic unindustrious unpersevering unready

activated active attentive careful caring concerned energetic fresh interested lively vivacious

diligent hard-working industrious

declining defeated faint scant scanty short shy wanting

deficient feeble inadequate insufficient scarce unavailing unprosperous unsuccessful unsufficient unthriving vain

adequate enough sufficient

OK healthy rebounding strong thriving well