Definition of thy by GCIDE Dictionary
- thou ( thou ), pron. [Sing.: nom. Thou; poss. Thy ( thī ) or Thine ( thīn ); obj. Thee ( thē ). Pl.: nom. You ; poss. Your ( yr ) or Yours ( yrz ); obj. You.] [OE. thou, þu, AS. ðū, ðu; akin to OS. & OFries. thu, G., Dan. & Sw. du, Icel. þū, Goth. þu, Russ. tui, Ir. & Gael. tu, W. ti, L. tu, Gr. σύ, Dor. τύ, Skr. tvam. √185. Cf. Thee, Thine, Te Deum.] The second personal pronoun, in the singular number, denoting the person addressed; thyself; the pronoun which is used in addressing persons in the solemn or poetical style.
Art thou he that should come? Matt. xi. 3.
☞ “In Old English, generally, thou is the language of a lord to a servant, of an equal to an equal, and expresses also companionship, love, permission, defiance, scorn, threatening: whilst ye is the language of a servant to a lord, and of compliment, and further expresses honor, submission, or entreaty.” Skeat.
☞ Thou is now sometimes used by the Friends, or Quakers, in familiar discourse, though most of them corruptly say thee instead of thou.
- Thy pron. [OE. thi, shortened from thin. See Thine, Thou.] Of thee, or belonging to thee; the more common form of thine, possessive case of thou; -- used always attributively, and chiefly in the solemn or grave style, and in poetry. Thine is used in the predicate; as, “the knife is thine”. See Thine.
Our father which art in heaven, Hallowed be thy name. Thy kingdom come. Thy will be done. Matt. vi. 9,10.
These are thy glorious works, Parent of good. Milton.