Definitions

1. verb

past tense of ‘strive’, to make a strong effort to achieve something

“After months of hard work, she overstrove to finish her PhD thesis.”

2. verb (transitive)

to strive or try with great effort to achieve something for (someone)

“The coach overstrove to help his team win the championship.”

3. noun

the act of striving or trying with great effort to achieve something

“Her determination was evident in her final project, a testament to her overstrove.”