infeasible

1 of 2

adjective

in·​fea·​si·​ble (ˌ)in-ˈfē-zə-bəl 

: not feasible : impracticable

infeasibility

(ˌ)in-ˌfē-zə-ˈbi-lə-tē 

noun

infeasibility

2 of 2

noun

in·​feasibility (¦)in+ 

: impracticability

Examples of infeasible in a Sentence

Recent Examples on the Web

Adjective

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

For their part, do politicians and agency leaders like it when their pet projects are assessed by intelligence as unwise or infeasible? — Gregory F. Treverton, The Conversation, 8 June 2026

California’s experience with 2021’s Senate Bill 9, which legalized duplexes on single-family lots, showed that cities responded by adopting additional design standards and minimum lot size requirements, making many projects financially or physically infeasible. — Christina Mojica, Oc Register, 26 May 2026

Word History

First Known Use

Adjective

1533, in the meaning defined above

Rhymes for infeasible

• feasible
• defeasible
• unfeasible
• indefeasible