Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
long-suffering is a noun and adjective meaning "patient endurance of pain or unhappiness". It carries 2 recorded senses.
patient endurance of pain or unhappiness
patiently bearing continual wrongs or trouble
“an enduring disposition”
“a long-suffering and uncomplaining wife”
Definitions, synonyms and semantic relations for long-suffering come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.