An 'onlooker' is a nonparticipating observer; a spectator. The word 'onlooker' is a noun, a word for a person.
it means: "that person is casual".
bystander - onlooker
It is a mix between the casual and sophisticated look...
casual
formal means to be casual and not so important just for taste
No, formal and casual are opposite in meaning. "Formal" refers to something official, proper, or suitable for serious occasions, while "casual" refers to something relaxed, informal, or suitable for everyday wear or activities.
Dressing casual means slacks and a dress shirt and nicer shoes.
casual observation
Yes, both a witness and an onlooker are the same thing, one who sees an event unfold.
What do you mean............ she is a singer, doing the casual.
casual chat