IPA: /ˈsʌl.trɪ.li/
KK: /ˈsʌltrɪli/
In a way that is hot and humid, often causing a feeling of discomfort or a sense of seduction.
The evening air was sultrily warm, making everyone feel a bit drowsy.
**Sultrily** → It is formed from "sultry" (from Middle English *sultrie*, meaning oppressively hot or humid) and the suffix "-ly" (meaning in a manner of). The word "sultrily" means in a manner that is oppressively hot or humid.
Think of the word 'sultry' which describes a hot and humid atmosphere, and remember that 'sultrily' means behaving or feeling in that hot and humid way.