lethal
Able to kill
Lethal means capable of causing death: a lethal dose, a lethal weapon, a lethal injection.
The word emphasizes deadliness rather than mere danger.
Figuratively, lethal describes anything devastatingly effective: a lethal combination of charm and ambition, Her crosscourt backhand is lethal.
Causing death or ruin
death-dealing · life-threatening · murderous · homicidal · slaughterous · devastating · annihilating · destroying
Capable of causing death
- venomousProducing injected toxins
- noxiousHarmful, especially when inhaled
- toxicCapable of causing harm
- carcinogenicCauses cancer
neurotoxic · cytotoxic · mutagenic · virulent · pathogenic · asphyxiant · contaminated · radioactive
Savagely harsh or severe
- savageFierce and untamed
- viciousCruelly aggressive in nature
- ruthlessLacking any compassion
- mercilessShowing no clemency
cold-blooded · bloodthirsty · cutthroat · ferocious · pitiless · heartless · violent · premeditated
Projectile weapon using explosives
- ammunitionWeapon projectiles and charges
- bulletFired metal projectile
- gunshotFirearm's explosive report
- bladeFlat cutting edge
knife · explosive · bomb · artillery · arsenal · missile · warhead · projectile
Likely to cause injury
- perilousFraught with danger
- treacherousDisloyal and dangerous
- riskyInvolving possible harm
- unsafeLikely to cause harm
precarious · menacing · threatening · fatal accident · catastrophic · disastrous · calamitous · ruinous
Having great strength
- effectiveProducing intended results
- devastatingCausing severe damage
- overwhelmingIntensely excessive in force
- unstoppableImpossible to halt
decisive · forceful · intense · concentrated · strong · formidable · unbeatable · dominant
fatal
Causing death or ruin
killer · death-dealing · life-threatening · murderous · homicidal · slaughterous · devastating · annihilating · destroying · exterminating
poisonous
Capable of causing death
- venomousProducing injected toxins
- noxiousHarmful, especially when inhaled
- toxicCapable of causing harm
carcinogenic · neurotoxic · cytotoxic · mutagenic · virulent · pathogenic · asphyxiant · contaminated · radioactive · biohazard
brutal
Savagely harsh or severe
merciless · cold-blooded · bloodthirsty · cutthroat · ferocious · pitiless · heartless · violent · premeditated · assassination
firearm
Projectile weapon using explosives
- ammunitionWeapon projectiles and charges
- bulletFired metal projectile
- gunshotFirearm's explosive report
blade · knife · explosive · bomb · artillery · arsenal · missile · warhead · projectile · shrapnel
hazardous
Likely to cause injury
- perilousFraught with danger
- treacherousDisloyal and dangerous
- riskyInvolving possible harm
unsafe · precarious · menacing · threatening · fatal accident · catastrophic · disastrous · calamitous · ruinous · destructive
powerful
Having great strength
- effectiveProducing intended results
- devastatingCausing severe damage
- overwhelmingIntensely excessive in force
unstoppable · decisive · forceful · intense · concentrated · strong · formidable · unbeatable · dominant · knockout
- deathdead, deceased, corpse, mortality, demise
- deathlydead, deadly, deathly, deceased, dying
- toxicologytoxicology, poison, toxin, venom, toxicity
- mortalitydeath, death knell, deceased, death rate, death acceptance
- safety labelssafe, unsafe, dangerous, hazardous, toxic
- toxicity levelstoxic, nontoxic, safe, hazardous, poisonous
lethallife-giving
Sustaining or restoring vitality
life-saving · curative · healing · healthful · restorative
- non-lethal weaponsArmaments designed to incapacitate
- lethal injectionCapital punishment by needle
- lethal doseAmount causing death
- lethal forceViolence that kills
- Lethal WeaponKilling-capable instrument
- lethal drugsSubstances that kill
lethargy, lethargic, lethality, lethally, nonlethal, non-lethal, sublethal, lethal dose, lethal injection