Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
inexpert is an adjective meaning "lacking professional skill or expertise". It carries one recorded sense.
lacking professional skill or expertise
“a very amateurish job”
“inexpert but conscientious efforts”
“an unskilled painting”
Definitions, synonyms and semantic relations for inexpert come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.