Real Dictionary

without
preposition: You use without to indicate that someone or something does not have or use the thing mentioned.

without in American English
at, on, to, or toward the outside of
on the outside; externally
adverb: in or into an exterior or outer place; outside
conjunction: unless
noun: the outside of a place, region, area, room, etc
preposition: with the absence, omission, or avoidance of; not with; with no or none of; lacking

without in British English
adverb: outside; outwardly
conjunction: unless
preposition: not having