The phrase "a disappointing world" is correct and usable in written English.
It can be used to express a sense of dissatisfaction or disillusionment with the state of the world or specific aspects of it.
Example: "After witnessing the ongoing conflicts and injustices, I can't help but feel that we live in a disappointing world."
Alternatives: "a disheartening world" or "a discouraging world".
They too are looking to put a disappointing World Cup quarter-final exit behind them.
Two years ago, after a disappointing World Cup tournament, the previous coach quit.
It does not surprise me that players who endured a disappointing World Cup are better under his influence".
Trouble turns dynamic in the Wrens' songs, which trace long, complex musical arcs from quiet picking to melodic pop to punk fury as they examine a disappointing world.
The meal was as much a gift to herself as it was to them, a stolen whirl at perfection in a disappointing world.
The 26-year-old had a disappointing world championships as she failed to qualify for the uneven bars final and only finished seventh in the floor competition.
There had been doubts over Coleman's position following a largely disappointing World Cup campaign in which Wales finished fifth after three wins, a draw and six defeats.
A ruinously disappointing World Cup put league on the back foot, and once its leading players began to be poached by the union - ruthlessly tit-for-tat after a century the other way - any reasonable and unbiased forecaster could sense the game was as good as up.
Britain has not won an Olympic fencing medal since 1964, and this year's travails at European level follow a similarly disappointing World Championships last year in Paris.
There had been doubts over Coleman's position following a largely disappointing World Cup qualifying campaign in which Wales finished fifth of six in their group after three wins, a draw and six defeats.
Henry James wrote that the novelist's task, in an imperfect and disappointing world, is to "create the record, in default of any better enjoyment of it; to imagine, in a word, the honorable, the producible case".
