Definify.com

Webster 1913 Edition

(sprăk)

Adj.

[Cf. Icel.

spraekr

sprightly, dial. Sw.

spräk

spräg

, spirited, mettlesome; or Gael.

spraic

vigor.]

Quick; lively; alert.

[Prov. Eng. & Scot.]

See also: spräck

sprack ‎(comparative more sprack, superlative most sprack)

(Britain, dialectal) lively, full of energy
- 1916, J. H. Morgan, Leaves from a Field Note-Book:
  "Yes, that I be, and I 'ave a little boy, he be a sprack little chap."

sprack