Which preposition to use with dilatory

in Occurrences 7%

There was no call for the law to make its appearance, and the representatives of the law were wisely dilatory in The Corner.

at Occurrences 3%

Of Maroquine policy, Mr. Cohen says, "That when the Sultan finds himself in a scrape, he gives way, though slightly dilatory at first.

as Occurrences 1%

"The railroad directors are as dilatory as the Government, but I know they are discussing the matter seriously at their meetings, and I was told that the most influential man among them said they 'must have it.'

than Occurrences 1%

I hope this won't make the Germans more dilatory than ever.

with Occurrences 1%

They had been dilatory with what they had to accomplish, so self-conscious of their force were they, and had justified themselves gracefully in the event.

Which preposition to use with  dilatory