adj. 1 (often foll. by in, of) lavish; extravagant (was profuse in her generosity). 2 (of a thing) exuberantly plentiful; abundant (profuse bleeding; a profuse variety). profusely adv. profuseness n. profusion n.
[ ME f. L profusus past part. of profundere profus- (as PRO-(1), fundere fus- pour) ]