1. a sincere and genuine effort or attempt made with integrity and good faith, without deception or dishonest motives
His honest endeavor to help the community earned him widespread respect.
Seu esforço honesto para ajudar a comunidade lhe rendeu respeito generalizado.
2. a legitimate undertaking or enterprise pursued with truthfulness and moral principles
The startup was built on honest endeavor and transparent business practices.
A startup foi construída sobre esforço honesto e práticas comerciais transparentes.