Definify.com

Webster 1913 Edition

Adj.

Knotty; rough; figuratively, rough in temper.

Fuller.

–

Knag′gi-ness

(#)

Noun.

Noun.

nag'gy. Knotty, full of knots; rough with knots; hence, rough in temper.

knaggy ‎(comparative knaggier, superlative knaggiest)

Having many protuberances, knobs or knots; knotty, rough or rugged.
(figuratively) Temperamentally rough.
- 1959, Georgette Heyer, chapter 1, in The Unknown Ajax:
  […] his lordship was out of humour. That was the way Chollacombe described as knaggy an old gager as ever Charles had had the ill-fortune to serve. Stiff-rumped, that's what he was, always rubbing the rust, or riding grub, like he had been for months past.