Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ill-timed is an adjective meaning "badly timed". It carries one recorded sense.
badly timed
“an ill-timed intervention”
“you think my intrusion unseasonable”
“an untimely remark”
“it was the wrong moment for a joke”
Definitions, synonyms and semantic relations for ill-timed come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.