Synonyms and Antonyms for Lethal

Following is a list of 200 synonym words and phrases that are related to lethal:

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4 Letter Words

dead

5 Letter Words

fataltoxicletaltoxinnastyriskydyingvitalmeatylytic

6 Letter Words

deadlymortalkillerwickedbadassbloodybrutalpotentpoisonweaponagonalmorbidloimiclarvalcausalbodilytragickarmiccarnal

7 Letter Words

harmfulawesomeamazingfatefulradicalviciousnoxiouslethalsviolentpoisonsheinousdeathlyinhumanendlikenaturalvitalictetanalelegiactumoraltyphousthermicobituallitotic

8 Letter Words

murdererdauntingfearsomevirulentassassinachillesdeadliergruesomemenacinghorrificperilousrecklessnarcoticvenomousruthlesspowerfulsinisterdiabolicmortuaryfunerealfuneraryundeadlysuicidaldeicidalobituarymorbificnecroticleukoticviaticalexequial

9 Letter Words

murderoushomicidaldangeroushazardousrighteouspoisonousexplosivenonlethalferocioussublethalinsidiousdeadliestcorrosivemercilessdevastingcytotoxictoxicoticfilicidalapoptoticfelicidalpredatorylysogenicasphyxialdemocidalcanicidalvaticidaltorturousequicidalclimacticmuricidalcondolentpneumonic

10 Letter Words

disastrousperniciouscut-throatformidablenon-lethaldiabolicalterrifyingdeadlinessweaponizedmalevolentaggressivehorrifyingparalyzingsurvivableneurotoxicfatalisticpesticidalimmolatorythanatoticinflictivemultideathobituarialconclusoryextinctualconsequentdurationaluxoricidalfacticidalfungicidalcombustivemutationalnecrotomiceuthanasic

11 Letter Words

destructivedevastatingredoubtablefrighteningcardiotoxicunstoppabledeleteriousradioactiveterminatorytoxicologicnepoticidalfamilicidaladulticidalterminativehemorrhagiclegislatorycataclysmiclamentatoryconsumptivecrematorialparalyticaltestamentalpollutional

12 Letter Words

catastrophicdebilitatingdebilitativenonexplosivebiohazardousrepercussiveinsecticidalinfanticidalputrefactiveasphyxiatoryasphyxiativebactericidal

13 Letter Words

unpredictableterminationaltoxicologicaltoxicodynamiclamentationalmedicamentary

14 Letter Words

anti-personnelincapacitatingindiscriminantindiscriminatethanatologicalterminological

15 Letter Words

manslaughterous

16 Letter Words

life-threateningindiscriminatingbiotoxicological

21 Letter Words

toxicopharmacological

Using this list of similar-meaning words, you can choose the best synonyms to replace lethal in your sentences.

Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of lethal in your writing.