le·thal / ˈlē[unvoicedth]əl/ • adj. sufficient to cause death: a lethal cocktail of alcohol and pills. ∎  harmful or destructive: the Krakatoa eruption was the most lethal on record.DERIVATIVES: le·thal·i·ty / lēˈ[unvoicedth]alətē/ n. le·thal·ly adv.

lethal XVII. — L. lethālis, f. lēthum, var. of lētum death, by assoc. with Gr. lḗthē oblivion, used as a proper name in L. (whence Lethe XVI)for a river in Hades, the water of which, when drunk, produced oblivion of the past; see -AL1.

Lethal Woof! 2004 (R)

Bounty hunter Sara (Marsden) teams up with an FBI agent (Zagarino) to bring down Russian mobster/weapons smuggler Federov (Lamas, he of the wandering accent). Lethally inept. 90m/C DVD . Lorenzo Lamas, Frank Zagarino, Heather Marie Marsden, Mark Mortimer, John Colton; D: Dustin Rikert; W: Jeff Wright, Robert Yap; C: John Muscatine. VIDEO