An item (or kind of item) of merchandise with negative value; an unwanted good.
Something that is bad; a harm or evil.
Error; mistake.
Used to scold a misbehaving child or pet.
Badly.
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.
To shell (a walnut).
An incommensurable value or quantity; an irrational number.
Not able to be measured by the same standards as another term in the context.
having a ratio that is not expressible as a fraction of two integers.
having no common integer divisor except 1.