Yet this, in the end, is a book from which one emerges sad, gloomy, disenchanted, at least if we agree to take it seriously.
Some statistics–disproportionate rates of school suspension, incarceration, and absentee dads–are gloomy.
That in turn leaves one with the gloomy thought that if Silvio Berlusconi did not exist it would be necessary to invent him.
1580s, probably from gloom even though that word is not attested as early as this one is. Shakespeare used it of woods, Marlowe of persons. Gloomy Gus used in a general sense of "sullen person" since 1940s, from a comic strip character of that name first recorded 1904. Related: Gloomily; gloominess.