Synonyms and Antonyms for Sinister

Following is a list of 150 synonym words and phrases that are related to sinister:

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3 Letter Words

sad

4 Letter Words

eviluglydarkvilediredullgrimleftfell

5 Letter Words

blackeerieweirdbleakshadyfatalmurkykookyscarylurid

6 Letter Words

wickedmalignunholydismalspookygloomysombrecreepyspiritgrislydeadlysordidsleazydarklyfreakymorbid

7 Letter Words

balefulominousheinoushideousviciousghastlyobscuremacabreruinousshadowyfatefulsatanicdemonicstrangedeviousbizarreghostly

8 Letter Words

alarmingminatorymenacinginfamousdreadfulhorriblehorrificgruesometerribleworryingperilousulteriordiabolicdevilishghoulishfiendishperversesadisticmaniacalunsavorydementedmysticalvengefuldepravedhauntingpeculiarfearsomederanged

9 Letter Words

minacioussinistralnefariousmalignantmaliciousdishonestill-fatedatrociousmonstrousappallingdraconianinsidioustroublingunderhanddangerousleft-wingpoisonousmurderousgrotesquedastardlyseductiveenigmaticunsavouryunnervingvampirishfascisticsatanicalbeguilingsecretive

10 Letter Words

forbiddingpernicioushorrendousdisastrousdepressingdisturbingmysteriousmalevolentdiabolicalvillainousforebodingportentousterrifyingsubversiveunsettlinghorrifyingperfidiouslugubriouslasciviouscorruptive

11 Letter Words

threateningunfortunatedisquietingfrighteningtreacherousunspeakableduplicitousmalevolencemischievousportentiousclandestinenightmarishinscrutable

12 Letter Words

catastrophicdiabolicallypsychopathicconspiratoryotherworldly

14 Letter Words

conspiratorialconspirational

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

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