below
Able, skilled, adept, capable, effective, and efficient.
Perform, conduct, begin
The word 'better' is a noun, a word for a superior person, thing, or state.Example: We're hoping that it's a change for the better.The plural noun, 'betters' is a word for people at a higher class of society than one's self.Example: Envy of your betters can lead you to foolishness.The noun form of the verb to better is the gerund, bettering.The word 'better' is the comparative form of the adjective good (better, best).The noun form of the adjective 'good' is goodness.
many more, alot, a whole bunch, tons, more, ect
I believe what you are looking for is term "Highly Developed" or "Exceptional." -Jubyloo
No it does not. Proficient means average, and advanced is advanced.
conversant
Applicants must be proficient in Microsoft Word and Excel. he's a highly proficient diver.
You could say "nonproficient"; "unproficient" isn't really a "word" (you can say it, but it's unusual).
I am proficient in answering questions on wiki.answers.com
effective.
able
capable
Excalibur is a much better word than exclaimed, in my opinion.
Even better!
there are no better words than sad