1. in a manner that is excessively or unnecessarily modest; with more modesty than is appropriate or warranted
Usage: often used to describe behavior or speech that downplays one's abilities, achievements, or worth to an extreme degree

Examples

• She overmodestly refused the compliment, insisting her work was nothing special.
• He spoke overmodestly about his accomplishments, downplaying his significant role in the project.
• The award winner overmodestly attributed all success to luck rather than skill.
• They overmodestly declined the leadership position despite being the most qualified candidate.
• She overmodestly minimized her contributions to the team's victory.