say it: DEK-ur-uhs
decorous is an adjective meaning "characterized by propriety and dignity and good taste in manners and conduct". It carries 2 recorded senses.
characterized by propriety and dignity and good taste in manners and conduct
“the tete-a-tete was decorous in the extreme”
according with custom or propriety
“her becoming modesty”
“comely behavior”
“it is not comme il faut for a gentleman to be constantly asking for money”
“seemly behavior”
Definitions, synonyms and semantic relations for decorous 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.