Synonyms for Determination:
General:
* Resolve
* Perseverance
* Tenacity
* Willpower
* Grit
* Drive
* Ambition
* Purposefulness
* Dedication
* Commitment
* Focus
* Single-mindedness
More Specific:
* For a task or goal: Zeal, Enthusiasm, Relentlessness
* Inner strength: Fortitude, Resilience, Courage
* In the face of opposition: Stubbornness, Obstinacy, Steadfastness
* Related to making a decision: Decisiveness, Resolute
Antonyms for Determination:
General:
* Indecision
* Weakness
* Passivity
* Apathy
* Indifference
* Hesitation
* Lack of ambition
* Lack of willpower
More Specific:
* For a task or goal: Discouragement, Apathy, Indifference
* Inner strength: Weakness, Timidity, Fear
* In the face of opposition: Giving up, Surrendering, Quitting
* Related to making a decision: Doubt, Uncertainty, Hesitation
It's important to note that some of the synonyms and antonyms listed above can have slightly different connotations depending on the context. For instance, "stubbornness" can be seen as a positive trait when it comes to determination, but it can also be seen as a negative trait when it's used to describe someone who is inflexible or unwilling to compromise.