Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
subliterary is an adjective meaning "not written as or intended to be literature". It carries one recorded sense.
not written as or intended to be literature
“subliterary works such as letters and diaries”
Definitions, synonyms and semantic relations for subliterary come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .