What is the meaning of Indisposed?

Mildly ill.

Not disposed, predisposed, or inclined; unwilling.

Not yet ready (especially with regard to receiving a visitor) because not yet arranged into a state of readiness (i.e., not disposed); :

  1. In the lavatory/WC.
  2. Undressed; not yet dressed enough to be seen by visitors.

In the lavatory/WC.

Undressed; not yet dressed enough to be seen by visitors.

Source: wiktionary.org