sinister

sin·is·ter  (sn-str)

adj.

1. Suggesting or threatening evil: a sinister smile.

2. Presaging trouble; ominous: sinister storm clouds.

3. Attended by or causing disaster or inauspicious circumstances.

4. On the left side; left.

5. Heraldry Situated on or being the side of a shield on the wearer's left and the observer's right.

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[Middle English sinistre, unfavorable, from Old French, from Latin sinister, on the left, unlucky.]

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sinis·ter·ly adv.

sinis·ter·ness n.

Synonyms: sinister, baleful, malign
These adjectives apply to what is indicative of or threatens great harm, disaster, or evil. Sinister usually implies impending or lurking danger that makes its presence felt by ominous signs or portents: We heard a sinister laugh from behind the door.
Baleful intensifies the sense of menace; it suggests a deadly, virulent, or poisonous quality: The guard's baleful glare frightened the children.
Malign applies to what manifests an evil disposition, nature, influence, or intent: "The Devil . . . with jealous leer malign/Eyed them askance" (John Milton).

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sinister

Adjective

1. threatening or suggesting evil or harm: a sinister conspiracy

2. Heraldry of, on, or starting from the bearer's left side [Latin: on the left-hand side, considered by Roman augurs to be the unlucky one]

Thesaurus

Adj.	1.	sinister - threatening or foreshadowing evil or tragic developments; "a baleful look"; "forbidding thunderclouds"; "his tone became menacing"; "ominous rumblings of discontent"; "sinister storm clouds"; "a sinister smile"; "his threatening behavior"; "ugly black clouds"; "the situation became ugly" menacing, minacious, minatory, ominous, threatening, baleful, forbidding alarming - frightening because of an awareness of danger
	2.	sinister - stemming from evil characteristics or forces; wicked or dishonorable; "black deeds"; "a black lie"; "his black heart has concocted yet another black deed"; "Darth Vader of the dark side"; "a dark purpose"; "dark undercurrents of ethnic hostility"; "the scheme of some sinister intelligence bent on punishing him"-Thomas Hardy dark, black evil - morally bad or wrong; "evil purposes"; "an evil influence"; "evil deeds"
	3.	sinister - on or starting from the wearer's left; "bar sinister" heraldry - the study and classification of armorial bearings and the tracing of genealogies sinistral - of or on the left; "a sinistral gastropod shell with the apex upward has its opening on the left when facing the observer"; "a sinistral flatfish lies with the left eye uppermost"

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sinister

adjective threatening, evil, menacing, forbidding, dire, ominous, malign, disquieting, malignant, malevolent, baleful, injurious, bodeful << OPPOSITE reassuring

Translations

sinister [ˈsɪnɪstəʳ] adj → siniestro

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sinister [ˈsɪnɪstəʳ] adj → sinistre

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sinister [ˈsɪnɪstəʳ] adj → unheimlich

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sinister [ˈsɪnɪstəʳ] adj → sinistro/a

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sinister

adj sinister [ˈsinistə]

suggesting, or warning of, evil sinister happenings; His disappearance is extremely sinister. onheilspellend مَنْحوس، مَشْؤوم зловещ zlověstný truende unheilvoll δυσοίωνος, απειλητικός siniestro pahaendeline شوم ؛ شيطاني pahaenteinen sinistre מְבַשֵׂר רָעוֹת अशुभ koban, opak baljós(latú) berfirasat buruk skuggalegur sinistro 不吉な 불길한, 상서롭지 못한 kraupus ļauns jahat onheilspellend skummel, illevarslende złowieszczy sinistro sinistru зловещий zlovestný zlovešč zloslutan olycksbådande, ödesdiger เป็นลางร้าย uğursuz, hayra alâmet olmayan 不吉祥的, 險惡的 зловісний شر یا بدی کی طرف مائل mang điềm xấu 不吉祥的, 险恶的