Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unchristlike is an adjective meaning "not becoming to or like a Christian". It carries one recorded sense.
not becoming to or like a Christian
“ashamed to have to recognize how unchristianly his assumptions and motives are”
Definitions, synonyms and semantic relations for unchristlike come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.