Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unexpended is an adjective meaning "(of financial resources) not spent". It carries 2 recorded senses.
(of financial resources) not spent
“unexpended funds”
“his unspent allowance”
Definitions, synonyms and semantic relations for unexpended come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.