used in negative statement to describe a situation that has existed up to this point or up to the present time; "So far he hasn't called"; "the sun isn't up yet"
used after a superlative; "this is the best so far"; "the largest drug bust yet"
be or do something to a greater degree; "her performance surpasses that of any other student I know"; "She outdoes all other athletes"; "This exceeds all my expectations"; "This car outperforms all others in its class"
win a victory over; "You must overcome all difficulties"; "defeat your enemies"; "He overcame his shyness"; "She conquered here fear of mice"; "He overcame his infirmity"; "Her anger got the better of her and she blew up"