"without reasonable grounds" is a correct and usable phrase in written English.
You can use it when making a statement that an action was taken without any valid justification. For example, "The coach was dismissed without reasonable grounds."
As the Press Association reports, the home secretary will not be allowed to render terror suspects stateless under revised plans proposed by the government without "reasonable grounds" to believe they can become a citizen elsewhere.
Sussex police made a paperwork error when they applied for special permission to stop people without "reasonable grounds" that a crime is in progress, said the security minister, Tony McNulty.
Police had no power to stop cars without reasonable grounds for believing that an offence would be committed by their occupants, said Ms Marie Staunton the council's legal officer.
You miss the main threat posed by the Federal Bureau of Investigation's assuming the power to spy on all of us by physical surveillance, covert infiltration and even trash-picking, all without reasonable grounds for suspicion, much less the constitutional standard of "probable cause".
The Commanding Officer shall not refuse a request for such a visit without reasonable grounds.
In a statement released earlier today, police apologised for raiding Hager's home without reasonable grounds, breaching his journalistic privilege to protect sources and unlawfully obtaining his private information, including 10 months of personal bank transactions.
I think that an early sign of depression is when a mother reports exaggerated symptoms in relation to her child's physical health without any reasonable grounds… Or [when] a mother is facing difficulties in following pediatric preventive practices or medication prescription.
We should all be concerned that Sir Paul Stephenson, the new commissioner of the Metropolitan Police, is advocating the continued and widespread use of the historically failed tool of "stop and search", which allows the police to act without the need for "reasonable grounds" as in Section 60 of the Criminal Justice and Public Order Act.
Tomorrow the supreme court will begin ruling on a legal challenge to section 60 – a controversial power for police officers that has been widely used to stop and search for knives without the usual requirement for "reasonable grounds".
At the moment heads can authorise a search of pupils, or their bags and lockers, without their consent if there are reasonable grounds to do so, but only to look for knives or other weapons.
The government may not detain an individual even momentarily without reasonable, objective grounds, with few exceptions.
