What does the word slack mean?

Usage examples for slack

  1. After supper propriety, which up to now had held slack rein on the carnival spirit, turned her loose. – Calvary Alley by Alice Hegan Rice
  2. Darsie sat back on her heels, her arms, falling slack by her sides, her wide eyes fixed on the ground in a surprise too complete for speech. – A College Girl by Mrs. George de Horne Vaizey
  3. I soon learned, however, that both officers and men took the liberty of giving themselves leave, with very little ceremony, from many of the militia regiments, into which but a very slack style of discipline had as yet been introduced. – Hurricane Hurry by W.H.G. Kingston
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