it pron. 1. Used to refer to that one previously mentioned. Used of a nonhuman entity; an animate being whose sex is unspecified, unknown, or irrelevant; a group of objects or individuals; an action; or an abstraction:
polished the table until it shone; couldn't find out who it was; opened the meeting by calling it to order. 2. Used as the subject of an impersonal verb:
It is snowing. 3.
a. Used as an anticipatory subject or object:
Is it certain that they will win? b. Used as an anticipatory subject to emphasize a term that is not itself a subject:
It was on Friday that all the snow fell. 4. Used to refer to a general condition or state of affairs:
She couldn't stand it. 5. Used to refer to a crucial situation or culmination:
This is it-the rivals are finally face to face. That's it! I won't tolerate any more foolishness. 6.
Informal. Used to refer to something that is the best, the most desirable, or without equal: He thinks he's it. That steak was really it!
n. 1.
Games. A player, as in tag, who attempts to find or catch the other players.
2. An animal that has been neutered:
The cat is an it. Idiom:
with it Slang 1. Aware of or knowledgeable about the latest trends or developments.
2. Mentally responsive and perceptive:
I'm just not with it today.To mention but a few. (Courtesy of
Dictionary.com).