Definitions
1.AdverbOutside, externally.
2.AdverbLacking something; failing."Being from a large, poor family, he learned to live without.; We've run out of bread; you'll have to do without until I can get to the bakeshop.; Whose can be used with a following noun or without."
3.AdverbWithout a condom being worn.
4.PrepositionOutside of, beyond.
5.PrepositionNot having, containing, characteristic of, etc."It was a mistake to leave my house without a coat.; I was without formal education but was well read and articulate."
6.PrepositionNot doing or not having done something."He likes to eat everything without sharing.; He shot without warning anyone.; Without noticing it I grew old."
7.ConjunctionUnless, except (introducing a clause).