The word "shadowy" is an adjective that describes something or someone as being indistinct, vague, and not clearly defined. It suggests a lack of clarity, detail, or precision, often due to dim lighting or obscurity. When used in the context of people or things, it implies a sense of mystery, ambiguity, or uncertainty about their true nature or intentions. In essence, "shadowy" conveys an impression of something being difficult to see clearly or understand fully.