Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
maddened is an adjective meaning "marked by extreme anger". It carries one recorded sense.
marked by extreme anger
“the enraged bull attached”
“furious about the accident”
“a furious scowl”
“infuriated onlookers charged the police who were beating the boy”
“could not control the maddened crowd”
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 maddened come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.