Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unreportable is an adjective meaning "(of income) not reportable; not required by law to be reported". It carries one recorded sense.
(of income) not reportable; not required by law to be reported
“very little income is unreportable”
Definitions, synonyms and semantic relations for unreportable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .