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- Dictionaryundermine/ˌʌndəˈmʌɪn/
verb
- 1. erode the base or foundation of (a rock formation): "the flow of water had undermined pillars supporting the roof" Similar Opposite
- 2. lessen the effectiveness, power, or ability of, especially gradually or insidiously: "this could undermine years of hard work" Similar Opposite
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Undermine means to make someone or something weaker, often gradually. Learn how to use this verb in different contexts with sentences from the Cambridge English Corpus.
- UNDERMINE | definition in the Cambridge English Dictionary
UNDERMINE meaning: 1. to make someone less confident, less...
- UNDERMINE | meaning - Cambridge Learner's Dictionary
to make someone less confident or make something weaker: A...
- UNDERMINE | definition in the Cambridge English Dictionary
Learn the meaning of undermine, a verb that can mean to subvert, weaken, wash away, or excavate. See synonyms, examples, word history, and related entries.
If you undermine something such as a feeling or a system, you make it less strong or less secure than it was before, often by a gradual process or by repeated efforts. Offering advice on each and every problem will undermine her feeling of being adult.
to injure or destroy by insidious activity or imperceptible stages, sometimes tending toward a sudden dramatic effect. to attack by indirect, secret, or underhand means; attempt to subvert by stealth. to make an excavation under; dig or tunnel beneath, as a military stronghold.
To undermine literally means to dig a hole underneath something, making it likely to collapse. But we more often use the word to describe sabotage or the act of weakening someone else's efforts.
Undermine means to make something, especially somebody’s confidence or authority, gradually weaker or less effective. Learn how to use this verb with pictures, pronunciation, synonyms and more.
Undermine means to make someone less confident or make something weaker. See how to use this verb in sentences and translations in different languages.