Sweetie/ˈswiːti/ Definition 1 of 2Pro Tip 1/3Affectionate Usage Used to show affection, but not always romantic; can be platonic. Thanks for helping me, sweetie. Pro Tip 2/3Casual Settings Appropriate in informal situations, among friends or family. Could you pass the salt, sweetie? Pro Tip 3/3Potentially Patronizing Use cautiously, as it can sound condescending in certain contexts. I've got this, sweetie—you just relax.