Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
double-tongued is an adjective meaning "marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another". It carries one recorded sense.
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 double-tongued come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.