slapdash
adv.
1670s, from slap, v. + dash, v.. As an adjective, "dashing, offhand, careless," from 1792. As a noun, "rough-coat, coarse plaster," from 1796.
| 词汇 | slapdash |
| 词根词缀 | Online Etymology Dictionary slapdash adv. 1670s, from slap, v. + dash, v.. As an adjective, "dashing, offhand, careless," from 1792. As a noun, "rough-coat, coarse plaster," from 1796. |
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