Suffuse \Suf*fuse"\, v. t. [imp. & p. p. {Suffused}; p. pr. & vb. n. {Suffusing}.] [L. suffusus, p. p. of suffundere to overspread; sub under + fundere to pour. See {Fuse} to melt.] To overspread, as with a fluid or tincture; to fill or cover, as with something fluid; as, eyes suffused with tears; cheeks suffused with blushes. When purple light shall next suffuse the skies. --Pope.