infeasible
UK[ɪnˈfiːzəbl̩]US[ɪnˈfiːzəbl̩]
adj
not possible to do easily or conveniently; impracticable.
Morpheme Breakdown
in
feasible
in
not
feasible
possible
Etymology
the word "infeasible" is a direct negation of "feasible," formed by adding the latin-derived negative prefix "in-." the core element, "feasible," entered english from old french faisable, which itself evolved from vulgar latin facibilis, meaning "that can be done." this traces back to the latin verb facere, a foundational verb meaning "to do or make," which is from the proto-indo-european root dʰeh₁-, meaning "to put, place, set." the semantic journey is clear: from the ancient concept of "setting/doing" to the medieval notion of "capable of being done," and finally to its modern negation, describing a task or plan that is not practical or possible to carry out.
Analysis
Structure: in (not) + feasible (possible)
- in: a latin prefix meaning "not, opposite of".
- feasible: from latin facere (to do, make), via old french faisable, meaning "capable of being done".
Examples
the proposed construction timeline was deemed infeasible by the engineering team.
due to budget constraints, the project became financially infeasible.
while the idea is innovative, it is currently technologically infeasible.