adv., prop. phr. [A prep.1 + GOOD; cf. afresh.] In good earnest; thoroughly, heartily.

1

a. 1536.  Tindale, Prol. Jonah, Wks. I. 456. The nature of all wicked is, when they have sinned a good, to seek … to drive the remembrance of sin out of their thoughts.

2

1591.  Shaks., Two Gent., IV. iv. 190. And at that time I made her weepe a good.

3

1606.  Holland, Sueton., 188. Ran in a good to helpe him.

4

1671.  Welch Trav., 258, in Hazl., E. P. P., IV. 339. The company that stood about did laugh at him a-good. [Cf. mod. dial., To laugh a good one, run a good one, etc.]

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