Here are some examples of how "disdainfully" might be used:
* She looked at him disdainfully. (She looked at him with contempt.)
* He dismissed their concerns disdainfully. (He showed no respect for their concerns.)
* The politician spoke disdainfully of his opponent's policies. (He spoke about his opponent's policies with contempt.)
"Disdainfully" is often used to describe a negative reaction to something that is considered unworthy or inferior. It can also be used to describe someone who is arrogant or superior.