Antonyms for Doable

Antonyms starting with letter I

• impossible

  within the realm of possibility, feasible, realistic
• improbable

  likely
• inconceivable

  likely
• impractical

  within the realm of possibility, feasible, realistic
• impracticable

  within the realm of possibility
• irrational

  realistic
• inefficient

  realistic
• incapable

  realistic
• inexperienced
• infeasible
• implausible
• incredible