ill-defined

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.

According to reports, these include OpenAI going public or achieving artificial general intelligence, a sometimes ill-defined standard of AI capability that more closely matches human-level ability.

From Barron's • Feb. 27, 2026

The Sayce review found between 2015 and the summer of 2025 the official Carer's Allowance guidance was "unclear" and "ill-defined" - preventing many carers from properly reporting their earnings.

From BBC • Nov. 25, 2025

It’s not a technical term but “a serious, though ill-defined, concept,” said Geoffrey Hinton, a pioneering AI scientist who’s been dubbed a “Godfather of AI.”

From Seattle Times • Apr. 4, 2024

The Treaty of Paris, which was signed in 1783 and ended the American Revolution, left the dividing line between what is now Quebec and New Hampshire ill-defined.

From New York Times • Jan. 22, 2024

At this stage in her life Briony inhabited an ill-defined transitional space between the nursery and adult worlds which she crossed and recrossed unpredictably.

From "Atonement" by Ian McEwan