▪ I. nast dial.
(nɑːst, -æ-)
[Back-formation from nasty a.]
Dirt, filth, foulness.
| 1789 Marshall Rural Econ. Glouc. I. 330 Nast, foulness; weeds in a fallow. 1839 Hereford Gloss., Nast, dirt, nastiness. 1882– in dial. glossaries (Lanc., Chesh., Warw., Worc., Glouc.). 1885 Westall Old Factory xxiv, I don't care about rooting and pottering among nast. |
▪ II. † nast
hast not: see ne and have v. A. 9. Obs.
| c 1290 Beket 760 in S. Eng. Leg. I. 228 On me nast þu power non swych destresse for-to do. a 1310 in Wright Lyric P. xxxvii. 102 Nast thou nothyng bote fyht, Whil thou art a lyve. |
▪ III. nast
knowest not: see not v.