v.(indicating negation of existence) be without; not have
Nobody is at home.
He doesn't have any ready money.
While I am willing to help, I do not have much time available.
Under the present system, we do not have any flexibility.
Nobody has ever said anything like this.
Nobody will be deceived by you.
Nobody will trust you.
I fail to understand.
You fall short.
He didn't say anything.
auxiliary wordused to form questions
Have you told her?
Has her come back yet?
Have you finished your homework yet?
adv.not so ...as; be inferior to
He doesn't run as fast as I do.
This one is not as good as that one.
My younger brother is not so clever as he.
No one can run as fast as her.
adv.less than; no/not more than
She was here less than two days.
This room is not more than 10 metres square.
She was here less than five minutes.
This weighs less than 5 kg.
adv.(negative form of "did" or "have done") have not; not yet
He hasn't come home yet.
It hasn't turned dark outside yet.
He did not come back last week.
The bank was not open Monday.