IPA: /ˈsɪkənɪŋli/
KK: /ˈsɪkənɪŋli/
In a way that causes a feeling of disgust or nausea, often used to describe something that is excessively unpleasant or distasteful.
The movie was sickeningly violent, making many viewers uncomfortable.
Sickeningly → It is formed from "sicken" (from Old English *sician*, meaning to become ill) and the suffix "-ly" (meaning in a manner of). The word "sickeningly" describes something that causes a feeling of illness or disgust in a manner.
Think of something that makes you feel 'ill' ('sicken') and how it can happen 'in a manner' ('-ly'). This helps you remember that 'sickeningly' refers to something that causes a strong feeling of disgust or nausea.