/ ˌɪntərˈæktɪv; NAmE / adjective
1.
that involves people working together and having an influence on each other :
The school believes in interactive teaching methods.
2.
( computing ) that allows information to be passed continuously and in both directions between a computer and the person who uses it :
interactive systems / video
► inter·active·ly adverb
► inter·activ·ity / ˌɪntərækˈtɪvəti; NAmE / noun [ U ]
••
WORD ORIGIN
mid 19th cent.: from interact , on the pattern of active .