Final answer:
The synonyms for the word NONCHALANT include casual, relaxed, indifferent, and unconcerned.
Step-by-step explanation:
The word NONCHALANT can be defined as casual, relaxed, indifferent, or unconcerned. Synonyms are words that have similar meanings, and in this case, the synonyms for NONCHALANT are casual, relaxed, indifferent, and unconcerned. These words all convey a sense of calmness or lack of concern.
Learn more about Synonyms for the word NONCHALANT