If you talk about the condition of a person or thing, you are talking about the state that they are in, especially how good or bad their physical state is.

The conditions under which something is done or happens are all the factors or circumstances which directly affect it.

The conditions in which people live or work are the factors which affect their comfort, safety, or health.

The condition of a group of people is their situation in life, especially with regard to the difficulties they have.

A condition is something which must happen or be done in order for something else to be possible, especially when this is written into a contract or law.

If someone has a particular condition, they have an illness or other medical problem.

If someone is conditioned by their experiences or environment, they are influenced by them over a period of time so that they do certain things or think in a particular way.

To condition your hair or skin means to put something on it which will keep it in good condition.

If you say that someone is in no condition to do something, you mean that they are too ill, upset, or drunk to do it.

When you agree to do something on condition that something else happens, you mean that you will only do it if this other thing also happens.

If someone is out of condition, they are unhealthy and unfit, because they do not do enough exercise.