Mewl/mjuːl/ Definition 1 of 1Pro Tip 1/3Emotional Tone Mewl implies vulnerability and a need for care, often used to elicit sympathy. The tiny bird mewled, stranded on the pavement. Pro Tip 2/3Weak Sound 'Mewl' suggests a quiet and feeble cry, not loud or demanding. She heard the puppy mewl from beneath the blanket. Pro Tip 3/3Human Expression Mewl can describe people expressing mild discontent or discomfort, akin to a whimper. After losing the game, the child mewled in disappointment.