Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
superannuated is an adjective meaning "too old to be useful". It carries 2 recorded senses.
too old to be useful
“He left the house...for the support of twelve superannuated wool carders”
old; no longer valid or fashionable
“obsolete words”
“an obsolete locomotive”
“outdated equipment”
“superannuated laws”
“out-of-date ideas”
Definitions, synonyms and semantic relations for superannuated come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.