The antonym of "wise" is "foolish." While wisdom involves sound judgment and good decision-making, foolishness typically refers to a lack of common sense or poor judgment. Other synonyms for foolish might include terms like "ignorant" or "unwise," which also convey a sense of imprudence.
suspicious
Awesome
serious
Weak, powerless.
an antomyn for casade
some nagger done shot you in the face
An antonym for courteous would be rude, unthoughtful, mean, or poorly-mannered.
Continue, I guess. thats the only one that I can think of...Well, that and go on, but continue makes more sense...=]
I suppose you could use improper factor, but the for any given integer, the factors that are not proper are known as trivial.
The antomyn of academics is brain-less
Nearsighted is a word. It is the opposite of foresighted.
There is no antomyn for geography becasue you can't have an opposite to "the study of the earth".