Apropos Common

Apropos has 6 different meanings across 3 categories:

Definitions

Adjective

of an appropriate or pertinent nature

apropos

Of an appropriate or pertinent nature.

Adverb

at an opportune time

"your letter arrived apropos"

seasonably timely well-timed apropos

introducing a different topic

"incidentally, I won't go to the party"

by the way by the bye incidentally apropos

By the way.

Prep

Regarding or concerning.