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slapdash

If you just slapped something together and then dashed when you were done, it was slapdash. The paint job was slapdash: it looked like they did it in an hour, without brushes.

The meaning of the word slapdash is clear from its two parts, slap and dash. If you make something in a slapdash way, you slap it together and then dash away — probably so no one would notice. If you want something to look great and last for a long time, then take your time and do it right. If you do it in a slapdash way, you may save time in the short run. But in the long run, you'll lose much more time redoing your shoddy work.

Definitions of slapdash
  1. adjective
    marked by great carelessness
    slapdash work”
    synonyms: haphazard, slipshod, sloppy
    careless
    marked by lack of attention or consideration or forethought or thoroughness; not careful
  2. adverb
    in a careless or reckless manner
    “the shelves were put up slapdash
    synonyms: slam-bang
  3. adverb
    directly
    synonyms: bang, bolt, slap, smack
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