Read through Definition 1 of 3Pro Tip 1/3Attention to Detail Use 'read through' to emphasize your careful and complete reading of something. She read through the instructions to ensure no step was missed. Pro Tip 2/3Thorough Preparation Indicates reading something thoroughly in preparation for action or use. The technician read through the manual before servicing the machine. Pro Tip 3/3Time Commitment Implies investing time to understand content fully, not just skimming. He read through the entire novel in one evening.