Although it seemed likely that there would be a negative reaction, the mayor appeared nonchalant when making the announcement. What word can replaceable nonchalant without changing the meaning of the sentence above? Untroubled smooth unhappy easygoing
Untroubled describes a person in a problem but he is not either allowing the problem eat him up or react to the problem. He sees the problem and knows he can't bother himself about being jittery on it
