apropos
apropos
ap·ro·pos
I
/ˌæprəˈpoʊ/ adj [more ~; most ~]
: suitable or appropriate
The ceremony concluded with the reading of an apropos poem.
The comment, though unexpected, was apropos.
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II
prep
: with regard to (something) : apropos of
Apropos [=concerning] the proposed changes, I think more information is needed.