Expressions Of Ease

adjective having an air of easy unconcern or indifference

• The CEO remained nonchalant during the board meeting, despite the challenging questions.
• She acted all nonchalant when I asked her about the party, like it wasn't a big deal.
• He was so nonchalant about the whole situation, like he didn't even care.
• Her nonchalant attitude towards her studies eventually caught up with her when she failed the exam.

adjective a word or phrase naming an attribute, added to or grammatically related to a noun to modify or describe it

• After a long day of work, she finally felt relaxed once she settled into her favorite chair.
• I always feel so relaxed when I'm lying on the beach with the sun shining down on me.
• Dude, just chill out and relax, everything will be fine.
• His mind was finally relaxed, knowing that he had done everything he could to prepare for the big presentation.