Uninformed/ˌʌnɪnˈfɔːrmd/ Definition 1 of 3Pro Tip 1/2Context Matters Use 'uninformed' when referring to a lack of knowledge in specific subjects. Uninformed about economics, she couldn't contribute to the discussion. Pro Tip 2/2Based on Rumor 'Uninformed' often suggests information is based on hearsay, not facts. The uninformed myths about the illness caused unnecessary panic.