beplaster verb1 •To plaster over; to cover or smear thickly; to bedaub (with something).Yet with talents like these, and an excellent heart, The man had his failings, a dupe to his art; Like an ill-judging beauty, his colours he spread, And beplaister’d with rouge, his own natural red. — 1774 formsbeplastered · beplastering · beplasters