Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
janus-faced is an adjective meaning "having or concerned with polarities or contrasts". It carries 3 recorded senses.
having or concerned with polarities or contrasts
“a Janus-faced view of history”
“a Janus-faced policy”
marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
“she was a deceitful scheming little thing”
“a double-dealing double agent”
“a double-faced infernal traitor and schemer”
Definitions, synonyms and semantic relations for janus-faced come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.