Good, superlative, excellent, cool.
Not covered by funds on account.
Not suitable or fitting.
Not appropriate, of manners etc.
Spoiled, rotten, overripe.
Bold and daring.
Malodorous; foul.
Stop being bad, or you will get a spanking!
Unfavorable; negative; not good.
Unskilled; of limited ability; not good.
Unhealthy; liable to cause health problems.
Of poor physical appearance.
False; counterfeit; illegitimate.
Not behaving; behaving badly; misbehaving; mischievous or disobedient.
Evil; wicked.
Severe, urgent.
Overly promiscuous, licentious.
Very attractive; hot, sexy.
Faulty; not functional.
Tricky; stressful; unpleasant.
Sickly, unhealthy, unwell.
Badly.
Used to scold a misbehaving child or pet.
To shell (a walnut).
Something that is bad; a harm or evil.
Error; mistake.
An item (or kind of item) of merchandise with negative value; an unwanted good.
Great, excellent.
To know; to understand.
To have knowledge or comprehension; discern.
To set apart; separate.
To discern; have knowledge or understanding; to know how (to).
To have personal or practical knowledge; be versed or practised; be expert or dextrous.
To spend acquired points in exchange for skills.
Capacity to do something well; technique, ability. Skills are usually acquired or learned, as opposed to abilities, which are often thought of as innate.