unachievable

Definitions

Impossible to accomplish or attain.

Not capable of being reached or fulfilled.

Examples

The goal of finishing the entire project in one afternoon proved to be completely unachievable.

Without the necessary funding, their ambitious plan for global expansion remained an unachievable dream.

Synonyms

unattainable impossible impracticable unfeasible out of reach beyond one's grasp

Antonyms

achievable attainable feasible practicable within reach realistic