Diaper/ˈdaɪpər/ Definition 1 of 2Pro Tip 1/3Caring Tone Used in caregiving contexts often with a nurturing, gentle tone. Could you gently fasten the baby's diaper? Pro Tip 2/3Baby Essential Often mentioned as a necessary item for babies, implies preparation and responsibility. Don't forget to pack extra diapers for the trip. Pro Tip 3/3Associated Discomfort Can imply discomfort if not changed regularly, linked to hygiene. The crying baby might be uncomfortable due to a wet diaper.