Synonyms for Ambition:
General:
* Aspiration
* Desire
* Goal
* Drive
* Purpose
* Determination
* Zeal
* Passion
* Hunger
* Thirst
* Yearning
* Longing
* Aim
* Vision
More specific:
* Accomplishment
* Achievement
* Elevation
* Greatness
* Power
* Success
* Status
* Prestige
* Glory
* Fame
Antonyms for Ambition:
General:
* Apathy
* Indifference
* Laziness
* Contentment
* Satisfaction
* Complacency
* Unmotivated
* Uninspired
* Unenthusiastic
* Resignation
* Acceptance
More specific:
* Humility
* Modesty
* Selflessness
* Altruism
* Simplicity
* Contentment
Note: Some of these words may be more appropriate depending on the context in which you are using "ambition." For example, "aspiration" might be a better synonym for ambition when referring to a person's hopes and dreams, while "drive" might be more suitable when referring to a person's strong motivation and determination.