A slight tweak can produce drastic and often unforeseen results.
This produced unforeseen results to everyone involved, Clarissa most of all.
As he realized later, his attempt to change his own position in the time stream had led to an unforeseen result.
The reversal is the inevitable but unforeseen result of some action taken by the hero.
The report stated that the ban had produced adverse and unforeseen results, including the development of Lithuanian nationalism.
But our determination to save the ponies had an unforeseen result.
But safe bacteria have been known to mutate with unforeseen results.
"But we're trying to work through all the unforeseen results of an insurgency that becomes more robust."
The resulting complete isolation and trauma of Jane is the unforeseen result.
She decides to get him a bird with a most unusual talent, but her gift brings about an unforeseen result.