Plea/pliː/ Definition 1 of 3Pro Tip 1/3Emotional Appeal Used when expressing strong feelings to persuade or request urgently. Her tearful plea for mercy touched the audience. Pro Tip 2/3Serious Request Emphasizes the importance or critical nature of the request. His plea for silence went unheeded in the noisy room. Pro Tip 3/3Non-legal Context Can be used in everyday situations, not just in legal terms. The child's plea for a new toy was hard to resist.