say it: KAHR-nuh-vuhl
carnival is a noun meaning "a festival marked by merrymaking and processions". It carries 3 recorded senses.
a festival marked by merrymaking and processions
a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment
“it was so funny it was a circus”
“the whole occasion had a carnival atmosphere”
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 carnival 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.