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adjective
CEFR C2
feeling or appearing casually calm and relaxed
Brevlex writes every example sentence around your interests, then schedules it with spaced repetition so it sticks. No generic textbook line — a sentence for you.
Each source is a real, checkable word list that contains nonchalant. We never claim an official exam-board list — none is published for the GRE, GMAT, or SAT.