Antonyms for rich

abundant, well-supplied:

ugly, bad, useless, unfashionable, barren.

all:

lean, poor.

flavorful:

unappetizing, unpleasant, unsavory, distasteful.

full in color or sound:

moderate, mild, soft, dull, quiet, uncaring, unintelligent, pale, light, obscure.

having a lot of money:

unsuccessful, lacking, tasteless, bland, depleted, serious, wanting, low, weak, destitute, failing, impoverished, poor, needy.

noun:

deficient, narrow, reduced, natural, miserly, drained, nonfattening, unseasoned, mild, colourless, nonfat, colorless, small, inadequate, insolvent, straitened, simple, plain, delicate, diet, ruined, indebted, bankrupt, insufficient, lite, slimming, exhausted, stingy, Bankrupted, wholesome, sparing, niggardly, watered-down.

group:

poor, poor people.