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out-

out-

 
part of speech: prefix
definition 1: a prefix that means "out," "outside," or "outward."
When the cat is outdoors, it is outside the house.An outflow of water from a pipe is water that is flowing out of a pipe.
definition 2: a prefix that means "beyond," "better," or "more."
A dessert that outdid the salad is a dessert that was better than the salad.If he outruns you, it means he has run beyond you.