within an indefinite time or at an unspecified future time; "he will understand eventually"; "he longed for the flowers that were yet to show themselves"; "sooner or later you will have to face the facts"; "in time they came to accept the harsh reality"
of the distant or comparatively distant past; "We met once long ago"; "they long ago forsook their nomadic life"; "left for work long ago"; "he has long since given up mountain climbing"; "This name has long since been forgotten"; "lang syne" is Scottish
the momentary present; "Now is a good time to do it"; "it worked up to right now"
used to preface a command or reproof or request; "now hear this!"; "now pay attention"
at the present moment; "goods now on sale"; "the now-aging dictator"; "they are now abroad"; "he is busy at present writing a new novel"; "it could happen any time now"
in the historical present; at this point in the narration of a series of past events; "President Kennedy now calls in the National Guard"; "Washington now decides to cross the Delaware"; "the ship is now listing to port"
in the immediate past; "told me just now"
(prefatory or transitional) indicates a change of subject or activity; "Now the next problem is..."
the lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field
during the intervening time; "meanwhile I will not think about the problem"; "meantime he was attentive to his other interests"; "in the meantime the police were notified"
at the same time but in another place; "meanwhile, back at the ranch..."