sinister: Meaning and Definition of
sin•is•ter
Pronunciation: (sin'u-stur), [key] — adj.
- threatening or portending evil, harm, or trouble; ominous: a sinister remark.
- bad, evil, base, or wicked; fell: his sinister purposes.
- unfortunate; disastrous; unfavorable: a sinister accident.
- of or on the left side; left.
- noting the side of an escutcheon or achievement of arms that is to the left of the bearer (opposed to dexter).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.