say it: RICH-nuhs
richness is a noun meaning "the property of being extremely abundant". It carries 7 recorded senses.
the property of being extremely abundant
“the profusion of detail”
“the idiomatic richness of English”
the property of a sensation that is rich and pleasing
“the music had a fullness that echoed through the hall”
“the cheap wine had no body, no mellowness”
“he was well aware of the richness of his own appearance”
the quality of having high intrinsic value
“the richness of the mines and pastureland”
“the cut of her clothes and the richness of the fabric were distinctive”
the property of producing abundantly and sustaining vigorous and luxuriant growth
“he praised the richness of the soil”
“weeds lovely in their rankness”
a strong deep vividness of hue
“the fire-light gave a richness of coloring to that side of the room”
splendid or imposing in size or appearance
“the grandness of the architecture”
“impressed by the richness of the flora”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for richness come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.