say it: STUHB-urn
stubborn is an adjective meaning "tenaciously unwilling or marked by tenacious unwillingness to yield". It carries 2 recorded senses.
tenaciously unwilling or marked by tenacious unwillingness to yield
not responding to treatment
“a stubborn infection”
“a refractory case of acne”
“stubborn rust stains”
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 stubborn 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.