0 more than is needed or wanted; more than is suitable or enough:
1 (especially at the end of a sentence) in addition, also:
2 very, or completely:
3 used to emphasize a positive answer to a negative statement:
"I'm not going to school today." "You are too!"
4 more than is needed or wanted; more than is suitable or enough:
5 very, or completely:
By the time I saw the job advertised it was already too late to apply.
You want a restaurant that serves good food but has a bit of atmosphere too.
By the way, please tell Ellis that he's welcome to come too.
Cars must stop at red traffic lights: similarly , bicycles should stop too.