1) Anticlockwise 2) Contraclockwise 3) Counterclockwise 4) Left-handed 5) Of or on the left 6) Opposite of dextral 7) Sinister 8) Sinistrorsal 9) Sinistrorse Found on https://www.crosswordclues.com/clue/sinistral
• (a.) Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells. • (a.) Of or pertaining to the left, inclining to the left; sinistrous; -- opposed to dextral. Found on http://thinkexist.com/dictionary/meaning/sinistral/
Sin'is·tral adjective 1. Of or pertaining to the left, inclining to the left; sinistrous; -- opposed to dextral . 2. (Zoology) Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells. Found on http://www.encyclo.co.uk/webster/S/107
adjective preferring to use left foot or hand or eye; `sinistral individuals exhibit dominance of the left hand and eye` Found on https://www.encyclo.co.uk/local/20974