Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
anachronous is an adjective meaning "chronologically misplaced". It carries one recorded sense.
chronologically misplaced
“English public schools are anachronistic”
Definitions, synonyms and semantic relations for anachronous come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.