Definition of rackle in US English:

rackle

adjective

English Regional, Scottish, Northern
  • Of an emotion or action, etc.: bold, rash, crude; (of speech) rough, blunt; (of things) sturdy, robust.

Origin

Middle English (in an earlier sense). Origin uncertain; perhaps from rake + -le.

Pronunciation

rackle

/ˈrak(ə)l/