sickening /ˈsɪk(ə)nɪŋ/adjective 2noun 1forms 3 adjective2 •Causing sickness or disgust.sickening toxic fumes •Amazing, fantastic.Richard Cranium does sickening stuff (if your budget permits), stones from Charles Brennan and lots of imagination. — 2014 noun1 •The act of making somebody sick. formssickenings · more sickening · most sickening
