The phrase "a string of disappointing" is correct and usable in written English.
It can be used to describe a series of events, experiences, or outcomes that are unsatisfactory or not meeting expectations.
Example: "The team faced a string of disappointing results this season, leading to a reevaluation of their strategies."
Alternatives: "a series of disappointing" or "a succession of disappointing".
This finding chimed with a string of disappointing trading figures from retailers over the Christmas period.
Ramos will be attempting this cycle to break a string of disappointing results at the youth level for U.S. Soccer.
Poor Christmas trading capped a string of disappointing results to force out Gormley's predecessor, Steve Lewis, last year.
C1 Japan Showing Downturn A string of disappointing economic reports heightened concerns that Japan's recovery from recession may be fading.
The failure of CDP 570 follows a string of disappointing late stage trial results for Crohn's disease therapies.
After winning the title here in 2006, Sharapova has had a string of disappointing trips to Flushing Meadows, never making it past the fourth round.
The McLaren driver goes into the race at the Suzuka circuit 20 points adrift of title leader Mark Webber after a string of disappointing results.
Glamour magazine, long the reliable cash cow for Condé Nast, has replaced its publisher after a string of recently disappointing advertising results.
DIAMONDBACKS 9, BREWERS 2: Randy Johnson snapped a string of three disappointing performances by pitching seven scoreless innings in host Arizona's victory.
Economists were relieved that the numbers were not worse, given a string of other disappointing data in recent weeks, but noted that current job trends still left the economy far short of what it is capable of if Americans were more fully employed.
Since beginning her career in the early 1980s, Madonna has sold some 200 million albums worldwide and starred in a string of largely disappointing films.
