infeasible

adjective

in·​fea·​si·​ble (ˌ)in-ˈfē-zə-bəl 

: not feasible : impracticable

infeasibility

(ˌ)in-ˌfē-zə-ˈbi-lə-tē 

noun

Examples of infeasible in a Sentence

Recent Examples on the Web

Having legal experts evaluate large numbers of judgments was infeasible, Mehmood says, so the team asked OpenAI’s GPT-5-mini to choose between pairs of judgments from the same judge before and after training. — Edd Gent, IEEE Spectrum, 12 Aug. 2026

Under the act, the city would need to show that the project would create a specific, adverse impact on public health or safety and that there was no reasonable way to address the problem without making the project financially infeasible. — Nicole Buss, Sacbee.com, 10 Aug. 2026

Lastly, both of the attacks use methods that would likely be infeasible outside of testing environments. — Dan Goodin, ArsTechnica, 29 July 2026

This humanistic approach is often what helps establish sustainable and practical treatment modalities, rather than relying on answers that can simply be read out of a textbook and may be infeasible to implement. — Forbes.com, 26 July 2026

Word History

First Known Use

1533, in the meaning defined above

Rhymes for infeasible

• feasible
• defeasible
• unfeasible
• indefeasible