nonchalant - Dictionary definition and meaning for word nonchalant
Nonchalant seems similar like non challange. If there is no challange, life is calm and relaxed/carefree.
when there is NO CHALAN by police you are calm
non chalant...a person who doesn't walk is unexcited
non+chalan = jo ppolice vala chalan na kaate vo calm n unconcerned hoga.