baleful as death
(as) baleful as death
Dangerous and dire. The storm has made the waves baleful as death—I'm not sure we'll reach the shore alive.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
*baleful as death
promising evil; very threatening. (*Also: as ~.) The wind's moan was as baleful as death. His voice sounded baleful as death.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.