You use at all at the end of a clause to give emphasis in negative statements, conditional clauses, and questions.
[emphasis]
Robin never really liked him at all.
There were no roads at all.
Surely if the woman had any decency at all, she'd have withdrawn at once.
'Are you dizzy at all?' he asked her.
See full dictionary entry for all
at all in British English
a. (used with a negative or in a question)
in any way whatsoever or to any extent or degree
I didn't know that at all
b.
even so; anyway
I'm surprised you came at all
See full dictionary entry for all
at all in American English
1.
in the least; to the slightest degree
2.
in any way
3.
under any considerations
See full dictionary entry for all
Examples of 'at all' in a sentence
at all
There is no information being given out at all.
Times, Sunday Times (2016)
They did not want us in at all.
The Sun (2016)
Much to my amazement it has not come up at all.
Times, Sunday Times (2016)
In that sense the social sciences are not really sciences at all.
Times, Sunday Times (2017)
But we want to look at all the different things.
Times, Sunday Times (2016)
That is to say, they offer almost no criticism at all.
The Sun (2017)
He may be your dad but you don't really know him at all.
The Sun (2016)
She said:'After two hours we wondered if the ambulance would come at all.
The Sun (2016)
Which, of course, is not really a star at all.
Times, Sunday Times (2016)
I remember how his career ended and the difficulties he was going through and he didn't seem to empathise at all.
Times, Sunday Times (2016)
Why not go one step further and not use any at all?
The Sun (2013)
My relationship with my wife was not an ending at all.
Times, Sunday Times (2012)
Who represents almost no one at all.
The Sun (2013)
Does he not know me at all?
Times, Sunday Times (2013)
Why did he want to leave at all?
Veronica Buckley CHRISTINA QUEEN OF SWEDEN: The Restless Life of a European Eccentric (2004)
They did not seem at all incongruous there.
Times, Sunday Times (2008)
The men waited in the car or did not come at all.
Charles Glass The Tribes Triumphant (2006)
None of us really knew him at all.
Times, Sunday Times (2011)
Those sorts of games are no use at all.
Times, Sunday Times (2016)
In many ways it is a miracle that he has ended up here at all.
Times, Sunday Times (2014)
They are almost not wine at all.
Times, Sunday Times (2012)
The person who wants harmony at all costs can seldom elicit productivity.
Christianity Today (2000)
It hardly seemed like meat at all.
Times, Sunday Times (2012)
That you can see it coming is no help at all when it comes to stopping it.
Times, Sunday Times (2012)
But he said that the main concern was why the catheter was still being used at all.
Times, Sunday Times (2011)
The only hope we have of delivering any news at all is to give the people what they want to read.
Times, Sunday Times (2012)
Do you know him at all?
Patrick O'Brian Richard Temple
You don't actually know this woman at all.
The Sun (2012)
There was no glamour at all, really.
Times, Sunday Times (2013)
She lives so far away and my guess is you don't really know this woman at all.
The Sun (2012)
For all the smiles, she does not look at all like a woman who is having any kind of fun.
Times, Sunday Times (2012)
Should he have been playing for Wigan at all, given his earlier convictions?
The Sun (2009)
He said: 'We have at all stages submitted as compelling a case on his behalf as possible.
Times, Sunday Times (2009)
He said: 'We will look at all the results of this trial to get a better deal for drivers.
The Sun (2015)
A spokesman said: 'We would look at all of these.
Times, Sunday Times (2012)
All related terms of 'at all'
all at sea
You can say that someone is all at sea when they are in a state of confusion or uncertainty .
all at once
If something happens all at once , it happens suddenly, often when you are not expecting it to happen.
at all costs
If you say that something must be avoided at all costs , you are emphasizing that it must not be allowed to happen under any circumstances .
at all hours
If you say that something happens at all hours of the day or night , you disapprove of it happening at the time that it does or as often as it does.
at once/all at once
If a number of different things happen at once or all at once , they all happen at the same time.
in any event
You say in any event after you have been discussing a situation , in order to indicate that what you are saying is true or possible , in spite of anything that has happened or may happen.
for no reason/ for no reason at all
If you say that something happened or was done for no reason , for no good reason , or for no reason at all , you mean that there was no obvious reason why it happened or was done.