Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
antiphonal is an adjective and noun meaning "containing or using responses; alternating". It carries 3 recorded senses.
containing or using responses; alternating
“responsive reading”
“antiphonal laughter”
relating to or resembling an antiphon or antiphony
bound collection of antiphons
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for antiphonal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.