オンブズマンalso: オンブツマンオンブズマンCommon wordFreq.FrequencyTop 100,000Meanings1nounombudsmanA government-appointed official who investigates complaints against public authorities. Loanword from Swedish.from Swedishオンブズマン制せい度どは、市し民みんの権けん利りを守まもるために導どう入にゅうされた。The ombudsman system was introduced to protect citizens' rights.