undermine

Fetched 2026-10-26 (cache).

Synonyms: underline, undermind, underling, underpin, undertone, undergone, undermined, undertime, underwise, undermines, underside

Antonyms: underline, undermind, underling, underpin, undertone, undergone, undermined, undertime, underwise, undermines, underside

Related words from Datamuse; suggestions, not definitions.

Verb

1. To [[dig]] underneath (something), to make a passage for destructive or military purposes; to [[sap]]. {{defdate|from 14th c.}}
2. {{senseid|en|figurative weaken}}{{lb|en|figuratively}} To weaken or work against; to [[hinder]], [[sabotage]]. {{defdate|from 15th c.}}
3. To erode the base or foundation of something, e.g. by the action of water.
4. {{lb|en|philosophy}} To regard an object as the sum of the parts that compose it, in {{w|object-oriented ontology}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.