Sentence:  It would be difficult, for example, to imagine a bigger, more obvious subject for comedy than the <WSD>laughable</WSD> self-delusion of washed-up celebrities, especially if the washed-up celebrity in question is Adam West, a camp icon who can go toe to toe with William Shatner as the king of winking self-parody. 
Meaning of the word marked with <WSD> tags:  Worthless; worthy of contempt or derision.