What Does “Ill” Mean

“Ill” means not feeling well or being sick. It is a common word people use when they have a health problem, whether it is mild or serious.

In daily life, people use “ill” to talk about themselves or someone else who is unwell. For example, someone might say, “I feel ill today” or “She has been ill for a week.” It is a simple, natural way to describe sickness.

Meaning & Usage

“Ill” usually means sick, unwell, or in poor health. In everyday English, it is often used in the same way as “sick,” especially in British English.

Examples

• He looked ill after the long trip.
• I was ill and stayed home from work.
• She has been ill for several days.

Context / Common Use

People use “ill” in both casual and formal situations. It can describe a short illness, a long-term health problem, or simply feeling bad for a day.

Is “ill” the same as “sick”?

Yes, in many cases. “Ill” and “sick” both mean not well, but “ill” is more common in British English.

Can “ill” mean something else?

Yes. In some phrases, “ill” can also mean bad or harmful, like “ill effects,” but the most common meaning is being unwell.

How do people use “ill” in a sentence?

People often say, “I’m ill,” “He is ill,” or “She feels ill” when talking about health.