The phrase "adjacent to him" is correct and usable in written English.
It can be used to describe something that is next to or nearby a male individual.
Example: "The dog sat quietly adjacent to him, watching the children play."
Alternatives: "next to him" or "beside him".
I asked if I could sit in the vacant seat adjacent to him.
His central positioning reflects that he is seen by many as the best rapper alive, but when the rapper adjacent to him abruptly attempts to stand up, Kendrick humbly remains seated and strongly urges his peer to sit back down.
He lived in a rural area and remarked that, owing to boredom since he could not find work, a favorite activity was to sit in a lawn chair in his yard with a cooler of beer adjacent to him, hold a rifle in each arm, and 'shoot anything that moves'.
Years later, my dad had a similar reaction in the men's room at Chason's in Hollywood when he found Muhammad Ali next to him at an adjacent urinal.
Clinton's own subsequent difficulties with impeachment after the painful admission of his relationship with a White House intern, Monica Lewinsky, briefly placed him adjacent to Nixon in the depths of hell.
"We are committed to protecting the reef, we can continue to operate sensible, environmentally responsible ports adjacent to the reef," the Australian Broadcasting Corporation quoted him as saying.
"What, exactly, was Rath's crime?" Mseleku asked when I visited him in his office, adjacent to Parliament.
When watching him on the court adjacent to other 6'10" players, such as Earl Clark, he looks smaller.
Sproles is suddenly thirsty and in an effort to save him from the pee fountain, Jenny defers him to the smaller water fountain adjacent to it and only manages to further offend everyone.
The brothers' father lives in the republic of Dagestan, adjacent to Chechnya, according to the Associated Press who interviewed him there.
Once, after the boy escaped from the playground, Masucci found him standing in a field adjacent to a busy road.
