say it: si-NER-ee-oh
scenario is a noun meaning "an outline or synopsis of a play (or, by extension, of a literary work)". It carries 3 recorded senses.
an outline or synopsis of a play (or, by extension, of a literary work)
a setting for a work of art or literature
“the scenario is France during the Reign of Terror”
a postulated sequence of possible events
“planners developed several scenarios in case of an attack”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for scenario come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.