"prospective husband" is an acceptable and correct usage in written English.
You can use it to refer to a man who appears likely to marry someone in the future. For example: "My daughter is only 18, but she's already met her prospective husband."
Her prospective husband was well dressed, deferential to her parents, inquisitive about her interests.
As the story starts, we see her spying on her prospective husband across the aisles of a supermarket.
There is something visibly berserk about Beatrice-Joanna's love-hate obsession with De Flores, whom she hires to kill an unwanted prospective husband.
As for Ms. Chu, she recalled that as a child she made a list of qualities she would seek in a prospective husband.
It follows that she should be grateful for whatever prospective husband her handsome, bossy landlady, Mrs. Dickson (Lynda Gravátt), can find.
She'll be playing Kate Hardcastle, the daughter of the house who pretends to be a servant to put her prospective husband at ease.
Then they asked her to meet prospective husbands.
While barely acknowledging Lisa's existence, Meenu throws prospective husbands in Reena's path at every opportunity.
Itsekiri men often take wives from neighbouring peoples, where girls unrelated to prospective husbands can more easily be found.
So: a nameless Manhattanite narrator and her best friend, the callous and severely blond shoplifting enthusiast Julie Bergdorf -- yes, that Bergdorf -- decide they must score P.H.'s (Prospective Husbands).
Plum Sykes follows a different set -- Manhattan socialites on the prowl for prospective husbands -- in her viciously savvy debut novel, BERGDORF BLONDES (Miramax/Hyperion, $13.95).
