An example of someone who is parsimonious is someone who obsessively watches every dime of his money.
- Excessively sparing or frugal.
- Accounting for observed data with a relatively simple explanation: The physicist argued that her new theory was more parsimonious than the standard model.
(comparative more parsimonious, superlative most parsimonious)
From Middle English parcimony, from Latin parsimonia from parsus, past participle of parcere (“to spare").