'Lethal' definitions:
Definition of 'lethal'
From: WordNet
adjective
Of an instrument of certain death; "deadly poisons"; "lethal weapon"; "a lethal injection" [syn: deadly, lethal]
Definition of 'Lethal'
From: GCIDE
- Lethal \Leth"al\ (l[e^]th"[a^]l), n. [Lauric + ether + alcohol.] (Chem.) One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid. It is so called because it occurs in the ethereal salt of lauric acid. [1913 Webster]
Definition of 'Lethal'
From: GCIDE
- Lethal \Le"thal\ (l[=e]"thal), a. [L. lethalis, letalis, fr. lethum, letum, death: cf. F. l['e]thal.] Deadly; mortal; fatal. "The lethal blow." --W. Richardson. -- {Le"thal*ly}, adv. [1913 Webster]
Synonyms of 'lethal'
From: Moby Thesaurus
- baleful,
- baneful,
- brutal,
- corroding,
- corrosive,
- corrupting,
- corruptive,
- counterproductive,
- damaging,
- deadly,
- death-bringing,
- deathful,
- deathly,
- deleterious,
- destructive,
- detrimental,
- disadvantageous,
- disserviceable,
- distressing,
- fatal,
- feral,
- harmful,
- hurtful,
- injurious,
- internecine,
- killing,
- malefic,
- malevolent,
- malign,
- malignant,
- mischievous,
- mortal,
- noisome,
- noxious,
- ominous,
- pernicious,
- pestilent,
- pestilential,
- poisonous,
- prejudicial,
- savage,
- scatheful,
- toxic,
- venenate,
- veneniferous,
- venenous,
- venomous,
- vicious,
- virulent