Definition of it
1
: that one
—used as subject or direct object or indirect object of a verb or object of a preposition usually in reference to a lifeless thing
- took a quick look at the house and noticed it was very old
- there is a rosebush near the fence and it is now blooming
- don't know who it is
- beauty is everywhere and it is a source of joy
2
—used as subject of an impersonal verb that expresses a condition or action without reference to an agent
- it is raining
3 a
—used as anticipatory subject or object of a verb
- it is necessary to repeat the whole thing
- it was in this city that the treaty was signed
b
—used with many verbs as a direct object with little or no meaning
- footed it back to camp
4
—used to refer to an explicit or implicit state of affairs or circumstances
- how is it going
5
: a crucial or climactic point
- this is it
