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Children's Dictionary

out of

aUt v
part of speech: preposition
definition 1: resulting from; due to.
He helped me out of kindness.
definition 2: used to describe the loss of something or no longer having something.
The car went out of control.We're out of bread, so we'll have to go to the store soon.
definition 3: used to tell the source of something.
The walls are built out of marble.These ancient people made tools out of bone.