What does the word "Undermine" mean?

• Undermine (verb)
English Meaning: To gradually weaken or damage something, typically in a subtle or indirect way.
Bangla Meaning: ধীরে ধীরে কিছু দুর্বল বা ক্ষতিগ্রস্ত করা।

Example Sentence:
- His actions were meant to undermine her authority in the company.
- The constant criticism from her colleagues began to undermine her confidence.

Source:
1. Cambridge Dictionary.
2. Accessible Dictionary by Bangla Academy.