Definition of apropos of:
(adj) :
of an appropriate or pertinent nature
(preposition) :
regarding or concerning
"apropos the return home of the body of old King Nicholas of Montenegro ('Communists allow burial of Montenegro's last king', 2 October): King Alexander of Yugoslavia was his grandson, not his son-in-law."
(v) :
"By the way"; timely, at a good time
Definition of apropos of:
(adj) :
of an appropriate or pertinent nature
(preposition) :
regarding or concerning
"apropos the return home of the body of old King Nicholas of Montenegro ('Communists allow burial of Montenegro's last king', 2 October): King Alexander of Yugoslavia was his grandson, not his son-in-law."
(v) :
"By the way"; timely, at a good time