Unwell
Definition 1 of 2
Pro Tip 1/3
Physical Discomfort
Use 'unwell' when someone doesn't feel physically healthy, but it's not very serious. I felt unwell after eating too much cake.
Pro Tip 2/3
Mild Illness
'Unwell' often hints at a mild illness rather than a severe one. She's been unwell with a bit of a fever.
Pro Tip 3/3
Short-term Condition
It generally suggests a temporary condition, not a long-term health issue. He's unwell today, probably will be fine by tomorrow.