Adverb
used in negative statement to describe a situation that has existed up to this point or up to the present time
prior to the present time
Source: WordNetSo far he hasn't called Source: Internet
the sun isn't up yet Source: Internet
no suspect has been found to date Source: Internet
Because if Kenroy Johnson can’t get his pension and gratuity up to now, you’re punishing somebody for which they have not done anything wrong. Source: Internet
Even though nature has reduced the level of frustration in proteins, some degree of it remains up to now as can be observed in the presence of local minima in the energy landscape of proteins. Source: Internet
But the effective control of Roman legionaries reached as far as the area of Sala Colonia (the castra "Exploratio Ad Mercurios" south of Sala is the southernmost discovered up to now). Source: Internet