Synonyms for infeasible

Most common

unfeasible · impracticable · unworkable · impossible

All synonyms

Adjective

Antonyms

feasible, viable

All antonyms of infeasible →

Definitions

1. adj. 1

   Not feasible.

Example sentences

• impossible It'll be impossible to get a visa at short notice.
• unworkable What must be done if the plan proves unworkable?
• unfeasible This plan is not just unfeasible, but impossible.
• impracticable At one time it was thought impracticable for man to fly.
• unbelievable It's unbelievable that Tom supports that dictator.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

10 letters

impossible⁴, unworkable⁴, unfeasible⁴

12 letters

unbelievable⁵

13 letters

impracticable⁵

The small number after each word is its number of syllables (impossible⁴ = 4 syllables).

In other languages

Français

infaisable

Italiano

infattibile