{prep.}, {formal} In connection with; on the subject of, about; concerning. * /Apropos of higher tuition, Mr. Black told the boy about the educational loans that banks are offering./ * /Mr. White went to see Mr. Richards apropos of buying a car./
APROPOS OF
Meaning of APROPOS OF in English
Dictionary of English idioms . Словарь английских идиом. 2012