dextral dext·ral uncommon adjective 1. of or on the right “a dextral gastropod shell with the apex upward has its opening on the right when facing the observer” “a dextral flatfish lies with the right eye uppermost” Antonymssinistral Similardexterdextrorse 2. preferring to use right foot or hand or eye “dextral individuals exhibit dominance of the right hand and eye” Similarright-handed Related words Word family dextrality See also clockwiseright-handed WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.