Definition of "pococurantism"

The doom of Fate was, Be thou a Dandy! Have thy eye-glasses, opera-glasses, thy Long-Acre cabs with white-breeched tiger, thy yawning impassivities, pococurantisms; fix thyself in Dandyhood, undeliverable; it is thy doom.

1843 April, Thomas Carlyle, “ch. XVII, The Beginnings”, in Past and Present, American edition, Boston, Mass.: Charles C[offin] Little and James Brown, published 1843, book II (The Ancient Monk)

It is queer the fantastic things quite good people will do in order to keep up their appearance of calm pococurantism.

1915, Ford Madox Hueffer [i.e., Ford Madox Ford], chapter VI, in The Good Soldier: A Tale of Passion, London: John Lane, The Bodley Head; New York, N.Y.: John Lane Company; republished Harmondsworth, Middlesex [London]: Penguin Books, 1972 (1982 printing), part IV, page 222

Happier after that expression of poco-curantism, I strolled down to Veeraswamy's and thoughtfully gorged myself with curried lamb and buttered chapatis.

1973, Kyril Bonfiglioli, Don't Point That Thing at Me, Penguin, published 2001, page 55