| Main Entry: | chimera |
| Part of Speech: | noun |
| Definition: | dream, fantasy |
Synonyms: |
bogy, bubble, delusion, fabrication, fancy, fata morgana, figment, fool's paradise, hallucination, ignis fatuus, illusion, mirage, monster, monstrosity, pipe dream, rainbow*, snare, specter, virtual reality |
Antonyms: |
reality, truth |
| Main Entry: | optical illusion |
| Part of Speech: | noun |
| Definition: | trick on the eyes |
Synonyms: |
apparition, fata morgana, hallucination, illusion, mirage, phantasm, phantasmagoria, specter, trick of eyesight, trick of light, trick of the eyesight, vision, visual fallacy |