The phrase "fail to reiterate" means to not repeat or reinforce a statement or idea. Synonyms for this phrase include neglecting to emphasize, not restating, failing to repeat, omitting to reemphasize, and declining to reaffirm. Other potential synonyms might include ignoring, overlooking, dismissing, forgetting, or disregarding. When we fail to reiterate something, we risk losing its significance or impact, so it's important to find ways to reinforce our messages. Whether this means repeating key points, using visual aids, or finding alternative language to express our ideas, it's essential to ensure our ideas are clear and memorable.