See examples of too used in a sentence.
The meaning of too is besides, also.
How to use too in a sentence.
In addition also often used for emphasis;
More than what is wanted, needed, acceptable, possible, etc.
More than is needed or wanted;
More than is suitable or enough:
Used before an adjective or.
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You use too after adding a piece of information or a comment to a statement, in order to emphasize that it is surprising or important.
Depending how you use it, too can mean two slightly different things:
Excessively (human beings are too weird) or also (i think so too — let's go back to mars. )