Great reluctance to spend money unnecessarily. / (by extension) The quality or characteristic of using the fewest resources or explanations to solve a problem.

Exhibiting parsimony; sparing in the expenditure of money; frugal to excess. / Using a minimal number of assumptions, steps, or conjectures. / (sports) Not conceding many goals.

In a parsimonious manner.

The state or condition of being parsimonious.

plural of parsimony

(evolutionary biology) The hypothesis that the phylogeny which includes the fewest character changes is the one most likely to be correct.

Synonym of Occam's razor

(epistemology) Synonym of Occam's razor