unhealthy

An unhealthy thing or situation isn't good for your body or mind. It's like a bad habit that can harm you if you keep it up.

When people talk about being unhealthy, they often mean that their lifestyle choices are affecting their well-being. They might say something is "unhealthy" to describe foods high in sugar or salt, which aren't good for you if you eat too much of them. Others might be talking about the air quality in a polluted city, which isn't healthy for people with breathing problems. Some will even use it to explain why they don't like certain activities because they find them stressful or tiring.