say it: uh-BLIG-uh-taw-ree
obligatory is an adjective meaning "morally or legally constraining or binding". It carries 2 recorded senses.
morally or legally constraining or binding
“attendance is obligatory”
“an obligatory contribution”
required by obligation or compulsion or convention
“he made all the obligatory apologies”
Definitions, synonyms and semantic relations for obligatory 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.