say it: HAHRSH-nuhs
harshness is a noun meaning "the roughness of a substance that causes abrasions". It carries 4 recorded senses.
the roughness of a substance that causes abrasions
the quality of being harsh or rough or grating to the senses
the quality of being cruel and causing tension or annoyance
excessive sternness
“severity of character”
“the harshness of his punishment was inhuman”
“the rigors of boot camp”
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 harshness 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.