undermined

Definitions

To lessen the effectiveness, power, or ability of someone or something, especially gradually or insidiously.

To erode the base or foundation of a structure, causing it to become unstable or collapse.

Examples

The constant criticism from his colleagues undermined his confidence in the project.

The heavy rains undermined the foundation of the old bridge, making it unsafe for travel.

Synonyms

weakened sabotaged compromised eroded subverted impaired threatened

Antonyms

strengthened fortified supported bolstered reinforced buttressed enhanced