Undermine

Friday, May 9, 2025
Word of the Day

What is Undermine?

verb
To weaken or damage something gradually or insidiously.

Pronunciation

US pronunciation: /ˌʌn.dɚˈmaɪn/
UK pronunciation: /ˌʌn.dəˈmaɪn/
Slow pronunciation: UN-der-mine

Meaning Explained

Undermine means to erode the strength, authority, or effectiveness of something — often through indirect, subtle, or covert actions.

Why This Word?

Chosen to highlight how not all threats are overt; many powerful forces are weakened from within, slowly and quietly.

Examples of Use

Here's how this word appears in everyday language:

  • Rumors began to undermine the team’s confidence.
  • His constant criticism undermined her self-esteem.
  • Corruption can undermine even the strongest institutions.

Word Origins

Middle English underminen from “under” + “minen” (to mine)

Originally referred to tunneling beneath walls to collapse them; now used figuratively for weakening institutions, people, or ideas.

First appearance in English: 14th century

Word Family

Related forms of this word:

  • Noun: undermining

    The deliberate undermining of his reputation was exposed.

  • Verb: sabotage

    She accused him of trying to sabotage her project.

  • Adjective: subversive

    They viewed the book as a subversive threat.

Around the World

How this word appears in other languages:

  • Spanish: socavar
  • French: saper
  • German: untergraben
  • Italian: minare
  • Portuguese: minar

If you Already Know This Word

If you've mastered this word, try these more advanced alternatives:

Sabotage

“Sabotage” is direct and aggressive; “undermine” is slow and subtle.

Erode

“Erode” is typically physical; “undermine” is abstract or social.

Destabilize

“Destabilize” applies to systems or governments; “undermine” often targets individuals or relationships.

Fun Facts

  • “Undermine” originally described medieval warfare tactics of collapsing castle walls.
  • In chess, “undermining” is a strategic removal of a defender piece to expose the king.

Cultural Usage

  • Disinformation campaigns are used to undermine democratic processes.
  • Gaslighting is a psychological tactic used to undermine a person’s sense of reality.

Common Mistakes

Sometimes confused with “sabotage,” which implies active destruction; “undermine” is slower and more subtle.

Micro Story

Leaking the memo was a calculated move to undermine her authority.