sinisterly
In threatening fashion
In a manner suggesting evil intent or malevolence.
Someone who smiles sinisterly seems to harbor dark purposes: He laughed sinisterly as the plan unfolded.
The word often appears in fiction to characterize villains or ominous atmospheres.
Less commonly, it can mean on or toward the left side, from the original Latin sense.
In a threatening way
- threateninglyIn a menacing way
- ominouslyIn threatening manner
- intimidatinglyIn a frightening manner
- balefullyIn a threatening way
malevolently · darkly · looming · leering · lurking · prowling · glaring · sneering
In an evil manner
- malevolentlyWith harmful intent
- nefariouslyIn a wicked manner
- diabolicallyIn a fiendish manner
- villainouslyIn an evil manner
fiendishly · maliciously · devilishly · demonically · satanically · cruelly · viciously · perversely
With grave significance
- ominouslyIn threatening manner
- inauspiciouslyIn an ill-fated manner
- fatefullyIn destiny-altering fashion
- propheticallyWith accurate foresight
eerily · uncannily · hauntingly · chillingly · dreadfully · grimly · gloomily · broodingly
menacingly
In a threatening way
- threateninglyIn a menacing way
- ominouslyIn threatening manner
- intimidatinglyIn a frightening manner
balefully · malevolently · darkly · looming · leering · lurking · prowling · glaring · sneering · shadowing
wickedly
In an evil manner
- malevolentlyWith harmful intent
- nefariouslyIn a wicked manner
- diabolicallyIn a fiendish manner
villainously · fiendishly · maliciously · devilishly · demonically · satanically · cruelly · viciously · perversely · treacherously
portentously
With grave significance
- ominouslyIn threatening manner
- inauspiciouslyIn an ill-fated manner
- fatefullyIn destiny-altering fashion
prophetically · eerily · uncannily · hauntingly · chillingly · dreadfully · grimly · gloomily · broodingly · forbiddingly
sinisterlybenevolently
In a kindhearted manner
kindly · benignly · warmly · lovingly · compassionately
sinisterlyreassuringly
In confidence-restoring fashion
comfortingly · soothingly · invitingly · welcomingly · encouragingly
sinisterlyauspiciously
In favorable circumstances
propitiously · favorably · luckily · fortunately · promisingly