Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
adenoidal is an adjective meaning "of or pertaining to the adenoids". It carries 2 recorded senses.
of or pertaining to the adenoids
Definitions, synonyms and semantic relations for adenoidal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.