patellar reflex (noun) knee jerk: involuntary kick or reaction
Sinonime: Spartan,
abstemious, canny,
careful, chary, conserving,
discreet, meager,
meticulous, mingy, niggardly, parsimonious, penny-pinching, penny-wise, preserving, provident, prudent, saving, scrimping, sparing, stingy, thrifty, tight, tightwad, unwasteful,
waryAntonime: generous,
lavish, spendthrifty, uneconomical, wasteful