"dilatory in responding" is a correct and usable phrase in written English
It means that someone is slow or delaying in their response or action. Example: The company's customer service team was dilatory in responding to customer complaints, causing frustration among their clients.
Congress has hardly been dilatory in responding to the administration's proposal, and no one has shown that the failure to enact legislation is either holding up the current investigation or making the nation vulnerable.
The Grim Sleeper's murder spree seemed to end in 1988, but when he "woke up" in 2002, the LAPD was dilatory in responding, waiting until 2007 to set up another task force.
Yet another part would be the dilatory reaction of individual companies and their advocacy organizations in responding to this vilification.
Councils are dilatory in feeding back when they do respond to complaints: they often tend to get on and address an issue but fail to confirm what they have done to the complainant, so residents are left thinking they have been ignored.
And they have been dilatory in calling attention to the current sovereign debt crisis in Europe.
Already, countries that have been dilatory in cutting their deficits have pledged to be more resolute.
Perhaps for fear of seeming cool towards the larger goal, its governments have been dilatory in addressing these difficulties.
He has been dilatory in pushing through a new electoral law, which has meant a two-year delay to elections for the Senate and in local municipalities.
Far from being precipitous, the attorney general had been extraordinarily patient, if not dilatory, in a situation increasingly dangerous to Elian's long-term well-being.
When he was next supplied by Aiden McGeady, he was too dilatory in releasing his shot, allowing Scott Severin to come across and make the block.
