Antonyms of adj apropos

1 sense of apropos

Sense 1
apropos (vs. malapropos) -- (of an appropriate or pertinent nature)

malapropos (vs. apropos) -- (of an inappropriate or incorrectly applied nature)
        => inapposite, out of place -- (of an inappropriate or misapplied nature)

Similarity of adj apropos

1 sense of apropos

Sense 1
apropos (vs. malapropos) -- (of an appropriate or pertinent nature)
       => apposite, apt, pertinent -- (being of striking appropriateness and pertinence; "the successful copywriter is a master of apposite and evocative verbal images"; "an apt reply")
          Also See-> appropriate#1

Synonyms of adv apropos

2 senses of apropos

Sense 1
seasonably, timely, well-timed, apropos -- (at an opportune time; "your letter arrived apropos")

Sense 2
by the way, by the bye, incidentally, apropos -- (introducing a different topic; in point of fact; "incidentally, I won't go to the party")