sinistro-, sinistr-

(Latin: left, on the left side; at, toward, or using the left; left-handed)

ambisinister (am bi SIN uh stuhr) (adjective), more ambisinister, most ambisinister
1. Relating to the inability to perform acts requiring manual skill with either hand; literally, "having two left hands": Little Linda showed ambisinister movements when she was trying to tie her shoelaces for the very first time.
2. A reference to someone who is clumsy, awkward, or being unskillful in the use of both hands with the same bad results: The little child presented in the picture below is certainly an ambisinister one because he has difficulties getting the food into his mouth without spilling it all over himself.
3. Etymology: from Latin ambi-, "both", + sinister, "on the left side".
A baby exhibits his ambisinistrous eating behavior.
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ambisinistrodextrous (adjective), more ambisinistrodextrous, most ambisinistrodextrous
Descriptive of someone who is equally skillful with both the left and the right hands:: Jerome was proud that he was an ambisinistrodextrous person because he was a mechanic who needed such abilities to do his work easier and with less trouble.
dextrosinistral
1. Passing or extending from the right to the left.
2. A left-handed person who is trained to use the right hand for writing, etc.
sinister (adjective), more sinister, most sinister
1. A reference to something which threatens or suggests malevolence, menace, evil, or harm: The president of Steve's company discovered a sinister plot by a competing business to cause his corporation to go bankrupt.

In the movie, the man had a sinister smile on his face just before he started to break through the door of the house when the people who lived there were away.
3. Descriptive of the prediction of trouble or some ominous happening: The sinister storm clouds suggested that heavy rains would be occurring soon.
4. Etymology: from Latin sinister, "left, on the left side" which was considered "unlucky or unfortunate".

Indicative of evil or harm.
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sinistra
Using or doing something with the left hand.
sinistrad
To or toward the left side.
sinistral
1. Preferring to use the left foot, the left hand, and/or the left eye.
2. Relating to or located on the left side; especially, the left side of the body.
sinistrality
1. The state or quality of having the left side or its parts or members different from and, usually, more efficient than the right side or its parts or members; left-handedness.
2. Preference for using the left hand or side.
3. The state of being sinistral or facing the left side.
sinistraural
1. Left-eared; characterizing an individual who prefers to listen with the left ear; for example, when using a telephone receiver, or someone who depends more on the left ear in binaural hearing.
2. Referring to the left ear.
sinistraurality
1. Characterized by being left-eared.
2. Descriptive of an individual who prefers to listen with the left ear, as when using a telephone receiver, or a person who depends more on the left ear in binaural hearing.
2. Referring to the left ear.
sinistrine: left
Left; to the left.
sinistrocardia
1. The displacement or misplacement of the heart beyond the normal position to the left side.
sinistrocerebral
Referring to or relating to the left cerebral hemisphere of the brain or situated in the left hemisphere of the brain.
sinistrocular
Left-eyed; having the left eye as the dominant eye.
sinistrocularity
1. A condition in which the left eye is dominant.
2. Favoring the left eye, rather than the right, by habit or for effective vision; an antonym of dextrocular.

Pointing to a page about a kleptomaniac Words referring to the "right" or the "right side": dextro-, dexter-; as well as, Dextro and Sinistro: Historical Origins.