Definition of soul-sickening in English:
soul-sickening
adjective ˈsəʊlˌsɪk(ə)nɪŋ
That sickens the soul; causing spiritual unease or distress; deeply depressing or abhorrent.
Origin
Late 18th century; earliest use found in William Godwin (1756–1836), philosopher and novelist. From soul + sickening.