deposit vs slack

deposit

noun
  • Anything left behind on a surface. 

  • Sediment or rock that is not native to its present location or is different from the surrounding material. Sometimes refers to ore or gems. 

  • A sum of money or other asset given as an initial payment, to show good faith, or to reserve something for purchase. 

  • That which is placed anywhere, or in anyone's hands, for safekeeping; something entrusted to the care of another. 

  • A place of deposit; a depository. 

  • Money placed in an account. 

  • A sum of money given as a security for a borrowed item, which will be given back when the item is returned, e.g. a bottle deposit or can deposit 

verb
  • To put money or funds into an account. 

  • To lay down; to place; to put. 

  • To entrust one's assets to the care of another. Sometimes done as collateral. 

  • To lay up or away for safekeeping; to put up; to store. 

  • To lay aside; to rid oneself of. 

slack

noun
  • The part of anything that hangs loose, having no strain upon it. 

  • Unconditional listening attention given by client to patient. 

  • A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place. 

  • A tidal marsh or shallow that periodically fills and drains. 

  • Small coal; coal dust. 

  • A valley, or small, shallow dell. 

verb
  • To slacken. 

  • To lose cohesion or solidity by a chemical combination with water; to slake. 

adv
  • Slackly. 

adj
  • Moderately warm. 

  • Vulgar; sexually explicit, especially in dancehall music. 

  • Not active or busy, successful, or violent. 

  • Excess; surplus to requirements. 

  • Lax; not tense; not firmly extended. 

  • Lacking diligence or care; not earnest or eager. 

  • Lax. 

  • Moderate in speed. 

  • Weak; not holding fast. 

How often have the words deposit and slack occurred in a corpus of books? (source: Google Ngram Viewer )