en·thu·si·asm 
/ɪnˈθu:ziˌæzəm, Brit ɪnˈθju:ziˌæzəm/ noun
plural en·thu·si·asms /ɪnˈθu:ziˌæzəm, Brit ɪnˈθju:ziˌæzəm/ noun 1 [noncount] : strong excitement about something : a strong feeling of active interest in something that you like or enjoy
▪ The party supported its candidate with enthusiasm. ▪ He seems to lack enthusiasm for the work he's doing. 2 [count] : something causing a feeling of excitement and active interest : a hobby that someone feels enthusiastic about
▪ Among his latest enthusiasms are sailing and fishing.
▪ The party supported its candidate with enthusiasm. ▪ He seems to lack enthusiasm for the work he's doing.
▪ Among his latest enthusiasms are sailing and fishing.
