1. Pertaining to something that has not clearly been mentioned or stated; implied; roundabout: Susan certainly did not go straight to the point of her visit, but kept mentioning the topic in the most indirect way.
2. Regarding an effect or result that has not been induced or created instantly, but happens as a consequence of another thing happening: As an indirect result of the military battle between the two countries, an uncountable number of people and animals die of starvation.