👉 Uncasualness is a term used in communication and interpersonal interactions to describe someone who is not engaged, casual or friendly with others. It can be associated with a lack of interest, disinterest, or indifference towards other people. In casual situations, it may also imply that the person has no interest in participating in social activities, such as attending a party or meeting new people. Uncasualness can be seen as unprofessional and disrespectful to others, which is why it's important to maintain