Adjective

This short yet spacious and powerful book … reminds us of the careful and apropos writing of J.M. Coetzee, W.G. Sebald and Uwe Timm. — Thomas McGuane , New York Times Book Review ,

The late Kenneth Koch's description of Ashbery as "lazy and quick" remains thoroughly apropos ; these 61 page-or-two poems can seem brilliantly tossed off, much like those in his 2000 collection, Your Name Here. The title is appropriate too: Chinese Whispers is the British name for the game of Telephone, where children (or adults) gather in a circle and whisper a "secret" word or phrase into the ear next to them. — Publishers Weekly ,

The ceremony concluded with the reading of an apropos poem.

The comment, though unexpected, was apropos.

Adverb

I went up to New York last weekend; apropos, have you seen your New York cousins lately?