Prose \Prose\, v. t. [imp. & p. p. {Prosed}; p. pr. & vb. n. {Prosing}.] 1. To write in prose. 2. To write or repeat in a dull, tedious, or prosy way. Prosing \Pros"ing\, n. Writing prose; speaking or writing in a tedious or prosy manner. --Sir W. Scott.