English Reference
verb

undermine

v.
US /ˈəndɝˌmaɪn/ UK /ˌʌndəmˈaɪn/ un·der·mine UK spelling undermined, undermines

  1. 01 C2 Proficiency AcademicTechnical Science

    to explain a thing by only looking at the smaller parts that make it up.

    to reduce an object to its component parts or sub-entities, denying its autonomous reality as a whole.

    Simple

    Some thinkers undermine the idea of a 'table' by saying it is just a collection of atoms.

    In context

    In object-oriented ontology, to undermine an object is to claim it is nothing more than the sum of its constituent pieces.

    Usage

    Used specifically within the framework of Object-Oriented Ontology (OOO).

    reducedeconstruct
    overmine

Usage undermine his credibility

The Ministry of Justice (MoJ) referred the decision to the High Court - a move the agency can do if it believes a prisoner's release would undermine public confidence in the parole system.

BBC News· 14 Aug 2026

Thursday's vote was seen as a test of Zambia's reputation as one of Africa's most stable democracies, amid concerns that political freedoms are being undermined.

BBC News· 14 Aug 2026

From under- + mine.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated