IPA: /dɪsˈdeɪn.fəl/
KK: /dɪsˈdeɪn.fəl/
Showing a lack of respect or a feeling of superiority towards someone or something; often looking down on others.
She gave a disdainful look when he suggested the idea.
Disdainful → It is formed from "dis-" (meaning apart or away) and "dignari" (meaning to deem worthy). The word "disdainful" describes a feeling of contempt or a lack of respect for something deemed unworthy or beneath consideration.
Think of feeling 'apart' ('dis-') from something you don't consider 'worthy' ('dignari') — that's why disdainful means showing contempt.