Definitionsadjective1. not having adequate information or knowledge about a situation or subject ⇒ people who are ill-informed and not in possession of the full facts, ⇒ The information was inaccurate, based on speculation, and from ill-informed sources., ⇒ Most people today are relatively ill-informed about basic science2. resulting from inadequate knowledge about a situation or subject ⇒ The accusations are ill-informed and quite simply wrong., ⇒ a subject that still provokes outraged incomprehension and divisive, ill-informed debate, ⇒ This leads to ill informed speculation., ⇒ There has been much ill-informed speculation that I am about to resign., ⇒ The debate reveals the extent of deep-seated, ill-informed prejudice.
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