1. the quality or state of being sickly, weak, or in poor health
Usage: chiefly British; informal
2. the quality of being peaked or pointed in appearance; sharpness of features
Usage: less common

Examples

• The child's peakiness worried her parents, so they took her to the doctor.
• After weeks of illness, a certain peakiness remained in her complexion.
• His peakiness improved once he started eating better and exercising regularly.
• The patient's peakiness was a sign of malnutrition.
• She noticed a peakiness in his features that suggested he hadn't been sleeping well.