Here's a breakdown of its meaning:
* Strive: To make a strenuous or determined effort.
* Striven: Describes an action that has been completed in the past, where someone has exerted great effort.
Example:
* "They have striven to achieve their goals, despite all the obstacles."
Synonyms:
* struggled
* fought
* labored
* endeavored
* toiled
Antonyms:
* gave up
* surrendered
* yielded
* failed
Remember: "Striven" is often used in the context of past achievements, successes, and failures.