Sinister in spanish
Siniestro
pronunciation: siniestɹ̩oʊ part of speech: adjective
pronunciation: siniestɹ̩oʊ part of speech: adjective
In gestures
sinister = siniestro, macabro, perverso.
Example: The selectman received this explanation in silence, but he fastened on the librarian a glance full of sinister meaning.