say it: peh-KYOO-nee-er-ee
pecuniary is an adjective meaning "relating to or involving money". It carries one recorded sense.
relating to or involving money
“monetary rewards”
“he received thanks but no pecuniary compensation for his services”
Definitions, synonyms and semantic relations for pecuniary 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.