Merriam-Webster's Word of the Day – "Acerbic"

Episode Date: October 27, 2025
Host: Peter Sokolowski (for Merriam-Webster)

Episode Overview

This episode spotlights the word "acerbic"—its definition, usage, etymology, and related vocabulary. The host, Peter Sokolowski, breaks down the word's origins and connotations, providing both a contemporary example and a brief linguistic history to enrich listeners’ vocabulary.

Key Discussion Points & Insights

1. Definition and Pronunciation

• Timestamp: [00:27]
  • “Today's word is acerbic. Spelled A, C, E, R, B, I, C. Acerbic is an adjective, something described as acerbic is sharply or bitingly critical, sarcastic or ironic in temper, mood or tone.” — Peter Sokolowski

2. Example in Context

• “Here's the word used in a sentence from the Boston Globe:
  Whether she's giving a sarcastic eye roll, tossing off an acerbic zinger, or seducing with a come hither stare, actress Jennifer Simard intimately understands the art underplaying.”
• This highlights the everyday use of "acerbic" to describe caustic or biting witty remarks.

3. Etymology & Historical Context

• The host explains that "acerbic" was formed in the 19th century by adding “-ic” to the pre-existing adjective “acerb.”
• "Acerb" itself was mainly used over previous centuries to describe sour-tasting foods.
  • “Acerb had already been around for a couple centuries, but for most of that time it had been used only to describe foods with a sour taste.” — Peter Sokolowski, [01:13]
• "Acerb" is now an uncommon synonym for "acerbation."
• Both “acerbic” and “acerb” stem from the Latin adjective "acerbus," meaning harsh or unpleasant.
• Another derivative: "Exasperate," which means to make something more violent or severe, also shares this root.

4. Related Vocabulary

• "Exasperate" is introduced as a related word from the same Latin origin—demonstrating the web of English terminology stemming from Latin.

Notable Quotes

• [00:27] Peter Sokolowski:
  “Acerbic is an adjective, something described as acerbic is sharply or bitingly critical, sarcastic or ironic in temper, mood or tone.”

• [01:13] Peter Sokolowski:
  “Acerb had already been around for a couple centuries, but for most of that time it had been used only to describe foods with a sour taste.”

• [01:36] Peter Sokolowski:
  “Acerbic and acerb ultimately come from the Latin adjective aquerbus, which can mean harsh or unpleasant. Another English word that comes from a kerbus is exasperate, which means to make more violent or severe.”

Timestamps for Important Segments

• [00:27] – Introduction of the word “acerbic,” spelling, and concise definition.
• [00:41] – Example sentence from The Boston Globe.
• [01:00] – Word formation: “acerb” + “-ic,” and “acerb”’s historical use.
• [01:13] – Explanation of acerbic's Latin origins.
• [01:36] – Related word: “exasperate.”
• [01:42] – Episode sign-off by host.

Episode Tone & Language

The host maintains an informative, engaging, and scholarly tone—aiming to educate and intrigue listeners with etymological tidbits and practical applications. The explanations are clear, concise, and accessible, providing both depth and clarity.

Summary

This episode of Merriam-Webster’s Word of the Day takes listeners on a concise exploration of the word "acerbic," delving into its definition, a real-world usage example, and its lineage from Latin via "acerb." The host, Peter Sokolowski, offers intriguing connections to related words and demonstrates the enduring influence of Latin on English vocabulary. The illustrative sentence and etymological details help listeners understand not just what “acerbic” means, but how and why it took on its current form and usage.