say it: kan-TANG-kur-uhs
cantankerous is an adjective meaning "stubbornly obstructive and unwilling to cooperate". It carries 2 recorded senses.
stubbornly obstructive and unwilling to cooperate
“unions...have never been as bloody-minded about demarcation as the shipbuilders”
United Kingdom
having a difficult and contrary disposition
“a cantankerous and venomous-tongued old lady”
Definitions, synonyms and semantic relations for cantankerous 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.