Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
volte-face is a noun meaning "a major change in attitude or principle or point of view". It carries one recorded sense.
a major change in attitude or principle or point of view
“an about-face on foreign policy”
Definitions, synonyms and semantic relations for volte-face come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.