a., adv. Obs. App. a dial. or colloquial variant of TIGHT a. or THIGHT a.
1618. Fletcher, Loyal Subj., III. iv. This [lass] is not so strongly built; but shes good mettle, Of a good stirring strain too: she goes tith, sir. Ibid. (1619), Mons. Thomas, II. ii. Thom. Then take a Widow, A good stanch wench, thats tith. Ibid., I. iii. [see TEW sb.2 1]. Ibid. (a. 1625), Womans Prize, III. v. A shipwhich With more continuall labour than a gally To make her tith, either she grows a tumbrel, or springs more leaks.