Akademik

so far
adverb
1. used in negative statement to describe a situation that has existed up to this point or up to the present time (Freq. 7)
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So far he hasn't called

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the sun isn't up yet

Syn:
thus far, ↑up to now, ↑hitherto, ↑heretofore, ↑as yet, ↑yet, ↑til now, ↑until now
2. to the degree or extent that
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insofar as it can be ascertained, the horse lung is comparable to that of man

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so far as it is reasonably practical he should practice restraint

Syn: ↑insofar, ↑in so far, ↑to that extent, ↑to that degree
3. used after a superlative
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this is the best so far

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the largest drug bust yet

Syn: ↑yet

Useful english dictionary. 2012.