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ill-informed

American

[il-in-fawrmd] / ˈɪl ɪnˈfɔrmd /

adjective

lacking adequate or proper knowledge or information, as in one particular subject or in a variety of subjects.

The public is ill-informed of the danger.

Etymology

Origin of ill-informed

First recorded in 1815–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Many of them are doing so out of a well-meaning but ill-informed abundance of caution.

From Salon • May 7, 2026

A dearth of serious reporting contributed to the public being ill-informed.

From Salon • Dec. 19, 2025

Don’t underestimate either how ill-informed he might choose to be about what’s really happening in Ukraine.

From The Wall Street Journal • Nov. 21, 2025

On social media she posts videos promoting her products and sometimes criticises "ill-informed people" for treating cancer with chemotherapy, or "pumping mustard gas into their veins" as she characterises it.

From BBC • Jun. 23, 2025

There were also dark secrets people didn’t much talk about, along with a gray market of gossip that could spread the ill-informed rumor as fast as any IM or text network.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023