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ru • mi • nate vt., go over in the mind repeatedly; contemplate. At eighty, Mrs. Bell often ruminated about the things in her life that she would have done differently.

leth • ar • gy n., quality or state of being lazy. Due to their lethargy, half of the students did not complete the research assignment.

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ar • bi • trary adj., ruling by absolute authority. The CEO’s arbitrary decision to lay off fifty employees hurt the company.

pre • cept n., command or principle. The professor asked the student teachers to outline their educational precepts.