parsimonious

/ˌpɑrsəˈmoʊniəs/
adjective
  1. Unwilling to spend money or use resources; extremely frugal or stingy.
    • The company's parsimonious budget left no room for employee training.
    • My parsimonious uncle still uses a flip phone from 2005.
    • She was so parsimonious that she reused tea bags three times.
  2. Using the simplest or fewest assumptions or steps possible (especially in science or logic).
    • In biology, parsimonious trees are preferred when analyzing evolutionary relationships.
    • The scientist chose the most parsimonious explanation for the data.
    • A parsimonious model uses fewer variables to predict the same outcome.
What does "parsimonious" mean? | whatsthatwordmean | whatsthatwordmean