Main entry: yet, until now, up to now, as yet, so far, heretofore, hitherto, til now, thus far
Definition: used in negative statement to describe a situation that has existed up to this point or up to the present time
Usage: So far he hasn't called; the sun isn't up yet
Definition: used after a superlative
Usage: this is the best so far; the largest drug bust yet
Main entry: insofar, in so far, so far, to that degree, to that extent
Definition: to the degree or extent that
Usage: insofar as it can be ascertained, the horse lung is comparable to that of man; so far as it is reasonably practical he should practice restraint