undermine

🇺🇸 /ˌʌndərˈmaɪn/ 🇬🇧 /ˌʌndəˈmaɪn/
Frequency
Difficulty
Tags TOP10000Oxford5000CEFR-C2
verb
C1

to slowly weaken or damage something, like someone's confidence or power

Spreading false rumors can undermine trust between friends.

R

to weaken the base or foundation of something by digging under it

Water can undermine the foundation of a building over time.

translation

v. to slowly weaken or damage something, like someone's confidence or power; to weaken the base or foundation of something by digging under it

Word Forms

3rd Present undermines
Past undermined
Perfect undermined
Progressive undermining