without
without
/wɪˈðaʊt/
1 not having, experiencing or showing something
They had gone two days without food.
He found the place without difficulty.
She spoke without much enthusiasm.
2 not in the company of somebody
Don't go without me.
3 not using or taking something
Can you see without your glasses?
Don't go out without your coat.
4 not doing the action mentioned
without doing something He left without saying goodbye.
You can't make an omelette without breaking eggs.
Without wanting to criticize, I think you could have done better. (= used before you make a critical comment)
without somebody doing something The party was organized without her knowing anything about it.
Word Origin
Old English withūtan ‘on the outside’.