If you say that someone is indisposed, you mean that they are not available because they are ill, or for a reason that you do not want to reveal. The speaker was regrettably indisposed. = unwell
(usually followed by `to') strongly opposed; "antipathetic to new ideas"; "averse to taking risks"; "loath to go on such short notice"; "clearly indisposed to grant their request"
somewhat ill or prone to illness; "my poor ailing grandmother"; "feeling a bit indisposed today"; "you look a little peaked"; "feeling poorly"; "a sickly child"; "is unwell and can't come to work"
To disincline; to render averse or unfavorable; as, a love of pleasure indisposes the mind to severe study; the pride and selfishness of men indispose them to religious duties