Sentence:  As the <WSD>disappointments</WSD> crowded in &mdash; the economy, Rhodesia, strife within the trade-union movement &mdash; Wilson tried the expedient of a semi-formal inner Cabinet, or Parliamentary Committee, as he misleadingly liked to call it. 
Meaning of the word marked with <WSD> tags:  A circumstance in which a strongly held expectation is not met.