Princeton's WordNet

1. haphazard, slapdash, slipshod, sloppy(adverb)

   marked by great carelessness

   "a most haphazard system of record keeping"; "slapdash work"; "slipshod spelling"; "sloppy workmanship"

2. slapdash, slam-bang(adverb)

   in a careless or reckless manner

   "the shelves were put up slapdash"

3. bang, slap, slapdash, smack, bolt(adverb)

   directly

   "he ran bang into the pole"; "ran slap into her"

Wiktionary

1. slapdash(Adverb)

   In a hasty or careless manner.

2. slapdash(Adverb)

   Directly, right there.

   Van Eyck signed his portrait of the Arnolfinis slapdash in the center of the painting.

3. slapdash(Adjective)

   Done hastily; haphazard; careless.

Webster Dictionary

1. Slapdash(adverb)

   in a bold, careless manner; at random

2. Slapdash(adverb)

   with a slap; all at once; slap

3. Slapdash(verb)

   to apply, or apply something to, in a hasty, careless, or rough manner; to roughcast; as, to slapdash mortar or paint on a wall, or to slapdash a wall

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