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noun
CEFR C1
the quality of being believable or trustworthy
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 credibility. We never claim an official exam-board list — none is published for the GRE, GMAT, or SAT.