Here's a breakdown:
* Over: Means "too much" or "excessively."
* Ambitious: Refers to having a strong desire for success, achievement, or power.
Examples:
* "The company's overambitious expansion plans led to its downfall."
* "He was overambitious in his attempt to climb Mount Everest without any prior training."
* "She was overambitious in thinking she could complete the project in a single day."
Synonyms:
* Unrealistic
* Impractical
* Excessive
* Extravagant
* Overreaching
* Grandiose
Antonyms:
* Realistic
* Modest
* Humble
* Pragmatic