Definition of grease

noun (n)

• a thick fatty oil (especially one used to lubricate machinery) (noun.substance)

  Synonym: lubricating oil
  

  source: wordnet30
• the state of being covered with unclean things (noun.state)

  Synonym: dirt, filth, grime, grunge, soil, stain
  

  source: wordnet30
• Animal fat, as tallow or lard, especially when in a soft state; oily or unctuous matter of any kind. (noun)

  source: webster1913

verb (v)

• lubricate with grease (verb.contact)

  Example:
  Grease the wheels.
  

  source: wordnet30
• To smear, anoint, or daub, with grease or fat; to lubricate; as, to grease the wheels of a wagon. (verb)

  source: webster1913

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