Definition of slapdash:
slam-bang, erratic, sloughy, careless, stiffly, catch-as-catch-can, hotheaded, impetuous, hit-or-miss, arbitrary, precipitate, sloppy, slipshod, swampy, headlong, aimless, foolhardy, miry, scattered, messy, untidy, careful, smack, desultory, hasty, muddy, waterlogged, ill-considered, quaggy, squashy, stray, impulsive, brash, soggy, rigidly, bolt, loose-fitting, harum-scarum, improvident, haphazard, overemotional, boggy, precipitant, slap, baggy, madcap, temerarious, bang, helter-skelter, mucky, rash, incautious, slap-bang, unconsidered, marshy.
- hasty (part of speech: adjective)
- quickly (part of speech: adverb)
- neglectful (part of speech: adjective)
In conformity to these ideas, the Squire had them all on horseback at an early age, and made them ride, slapdash, about the country, without flinching at hedge, or ditch, or stone wall, to the imminent danger of their necks.- "Bracebridge Hall, or The Humorists", Washington Irving.
But I must beg you to dismiss all such scenic prettiness, suitable as they may be to a clergyman's character and complexion; for I have to confess that Mr. Tryan's study was a very ugly little room indeed, with an ugly slapdash pattern on the walls, an ugly carpet on the floor, and an ugly view of cottage roofs and cabbage- gardens from the window.- "Scenes of Clerical Life", George Eliot.
They could not think that early rising, hard work, severe physical tasks, tiring almost to exhaustion, with plain, hearty, yet rather coarse food, eaten in slapdash fashion, would be quite the thing for their boy of whom they had taken so much care.- "Health Through Will Power", James J. Walsh.