1 opera /ˈɑːpərə/ noun
plural operas
1 opera
plural operas
Learner's definition of OPERA
[noncount] : a kind of performance in which actors sing all or most of the words of a play with music performed by an orchestra often used before another noun see also grand opera
: a show in which opera is performed
[count] : a group of actors who perform operas together often used in names
see also soap opera

— operatic

/ˌɑːpəˈrætɪk/ adjective [more operatic; most operatic]
2 opera
2 opera
Learner's definition of OPERA
plural of opus