Definition of "haphazard"

The haphazard efforts of a few, working here and there without concert, easily spent themselves in attaining results far short of what were needed.

1886, N. H. Egleston, “Arbor-Day”, in Popular Science Monthly, p. 689

we assume a gas to be an assemblage of elastic spheres or molecules, flying in straight lines in all directions, with swift haphazard collisions and repulsions, like so many billiard balls.

1909, Fielding H. Garrison, “Josiah Willard Gibbs and his relation to modern science”, in Popular Science Monthly, p. 191

There is a very considerable series of observations — non-instrumental, unsystematic, irregular, "haphazard" if you will — which any one with ordinary intelligence and with a real interest in weather conditions may undertake.

1912, Robert DeC. Ward, “The Value of Non-Instrumental Weather Observations”, in Popular Science Monthly, p. 129

Chelsea need to identify and appoint the new manager and then lose the haphazard transfer policy that has seen players signed for exorbitant fees, often seemingly on the basis that other Premier League clubs were interested in them.

2023 April 18, Phil McNulty, “Chelsea Champions League exit: Where do 'disjointed, broken' Blues go from here?”, in BBC Sport‎

You should never talk about your own fingers, and haphazards, to genteel people. You should only talk about agreeable subjects as I do.

1796, Fanny Burney, Camilla, Or, A Picture of Youth, volume 3, published 1802, page 116

I consulted my mother, who was punctiliousness itself, and decided I must go Monday, as agreed. I should be with her again on Wednesday. On such haphazards hang men's destinies sometimes.

1895, Arthur Conan Doyle, Strange Secrets, page 16

Economics depends on fickle human nature , its changeable tastes and the varying states of culture and the haphazards of progress . Can economics be any more scientific than psychology and psychiatry?

1951, William Russell White, Leadership, volume 2, page 1616

Machiavelli, in Chapter 25 of Il principe (1513) after surveying the cruelties and haphazards of the politics of his day, set more restrictive limits to human endeavor by assigning half of what happens in this domain to the intractable power of fortuna […]

2006, Nicholas Rescher, “Studies in philosophical anthropology”, in Collected Papers, page 103

"[...] I suspect that it mostly happens haphazard, though afterwards various noble reasons are invented. About marriage I am cynical.”

1924 June 4, E[dward] M[organ] Forster, chapter XXIX, in A Passage to India, London: Edward Arnold & Co.