Sooty \Soot"y\, a. [Compar. {Sootier}; superl. {Sootiest}.] [AS. s?tig. See {Soot}.] 1. Of or pertaining to soot; producing soot; soiled by soot. "Fire of sooty coal." --Milton. [1913 Webster] 2. Having a dark brown or black color like soot; fuliginous; dusky; dark. "The grisly legions that troop under the sooty flag of Acheron." --Milton. [1913 Webster] {Sooty albatross} (Zool.), an albatross ({Phoebetria fuliginosa}) found chiefly in the Pacific Ocean; -- called also {nellie}. {Sooty tern} (Zool.), a tern ({Sterna fuliginosa}) found chiefly in tropical seas. [1913 Webster]