inflationary Syllabification: (in·fla·tion·ar·y)Pronunciation: /inˈflāSHəˌnerē/Translate inflationary | into Italian Definition of inflationary adjective 1of, characterized by, or tending to cause monetary inflation. 2 Astronomy of, relating to, or involving inflation. inflationary in other Oxford dictionaries Definition of inflationary in the British & World English dictionary