sinister
BrE /ˈsɪn.ɪstə/ AmE /ˈsɪn.ɪstər/
adjective en → es
suggesting evil or bad intentions; frightening and threatening
peligroso, siniestro, malvado
- a sinister look/face/smile
Collocations sinister intentions · sinister atmosphere
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He gave me a sinister smile.
Me dio una sonrisa siniestra.
suggesting danger or evil; threatening and frightening
peligroso, amenazante, inquietante
- a sinister look/face/smile
Collocations sinister warning · sinister prediction
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The clouds had a sinister appearance.
Las nubes tenían una apariencia amenazante.