| Main Entry: | tilt at windmills |
| Part of Speech: | verb |
| Definition: | attack imaginary enemy |
Synonyms: |
get nowhere, run in circles, waste one's effort |
| Main Entry: | wild-goose chase |
| Part of Speech: | noun |
| Definition: | hopeless case |
Synonyms: |
bootless errand, fool's errand, lost cause, merry chase, red herring, snipe hunt, vain attempt, waste of time, wasted effort, wasted labor |