Synonym: loathsome, nauseating, nauseous, noisome, offensive, queasy, vile. Similar words: sicken, awakening, darkening, spring chicken, quicken, chicken, thicken, stricken. Meaning: ['sɪkənɪŋ] 
adj. causing or able to cause nausea.
adj. causing or able to cause nausea. (91) I was told not go near Charles. He is sickening for mumps.
(92) Goalkeeper Petr Cech has undergone surgery for a depressed fracture of the skull after he was involved in a sickening clash in Chelsea's victory over Reading.
More similar words: sicken, awakening, darkening, spring chicken, quicken, chicken, thicken, stricken, broken in, chicken out, chickenpox, chicken pox, play chicken, chicken broth, charles dickens, poverty-stricken, kenning, opening, evening, meninges, picketing, bickering, maddening, listening, happening, chastening, worsening, screening, lessening, gardening.