'Upkeep' definitions:

Definition of 'upkeep'

From: WordNet
noun
Activity involved in maintaining something in good working order; "he wrote the manual on car care" [syn: care, maintenance, upkeep]
noun
The act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main sustainment" [syn: sustenance, sustentation, sustainment, maintenance, upkeep]

Definition of 'Upkeep'

From: GCIDE
  • Upkeep \Up"keep`\, n.
  • 1. The act of keeping up, or maintaining; maintenance of persons, organizations, or objects such as machinery, by providing a location, repairs, and consumable items when necessary. "Horse artillery . . . expensive in the upkeep." --Scribner's Mag. [Webster 1913 Suppl. +PJC]
  • Small outlays for repairs or upkeep of buildings. --A. R. Colquhoun. [Webster 1913 Suppl.]
  • 2. the cost of providing upkeep[1]. [PJC]

Synonyms of 'upkeep'

From: Moby Thesaurus