Inauspicious, ominous, unlucky, illegitimate (as in bar sinister). / Evil or seemingly evil; indicating lurking danger or harm. / (archaic) Of the left side.

The state or condition of being sinister.

(heraldry) A diagonal band on a coat of arms going from top right to bottom left (as you look at it), held to indicate bastardy.

plural of bend sinister

plural of bar sinister

plural of baton sinister

Alternative form of bar sinister

Alternative form of bar sinister

(heraldry) A kind of bend sinister, in which a narrow strip extends from the lower left to the upper right of the shield in a coat of arms but does not extend to the edges of the shield

(heraldry, considered nonstandard) A bend sinister or baton sinister in a coat of arms. / (idiomatic, euphemistic) The state or characteristic of having been born out of wedlock; illegitimacy; bastardy.