hard·en·ing | \ˈhärd-niŋ, ˈhär-dᵊn-iŋ\

Definition of hardening 

: sclerosis sense 1 hardening of the arteries

Examples of hardening in a Sentence

Recent Examples on the Web

On the contrary, growing disillusionment has led to despair and a hardening of attitudes among people who had sought reconciliation with Israel for 25 years. NBC News, "Amid Trump's Mideast push, an abandoned building reminds Palestinians of past failures," 16 June 2018 The short- and long-term solutions span increased school hardening, reformed discipline policies and access to mental health resources. Colleen Wright, miamiherald, "How many ways can you think of to make schools safer? This Broward group has 100.," 4 June 2018 Reports about isolated offenses by migrants ranging from rape to murder to aborted and successful terror plots have become a daily staple of the tabloid press, contributing to a hardening of opinions about migrants. Bojan Pancevski, WSJ, "Immigration Backlash Erodes Merkel’s Power in Conservative Stronghold," 26 June 2018 School hardening specifics include expediting school construction projects to include a single point of entry to a school, surveillance camera upgrades, additional fencing, metal detectors and classroom doors that lock automatically. Colleen Wright, miamiherald, "How many ways can you think of to make schools safer? This Broward group has 100.," 4 June 2018 Jon Moyle, an attorney who represents the group known as FIPUG, argued that more information is needed regarding FPL’s costs associated with pre-storm hardening efforts, along with mobilization, demobilization and crew-standby costs. Jim Turner, miamiherald, "Monthly FPL bills to go down slightly," 5 June 2018 Texas politicians are pushing to focus on school security — the hardening of targets. Todd C. Frankel, Washington Post, "Santa Fe school had a shooting plan, armed officers, and practice. And still 10 people died.," 19 May 2018 But the hardening on each side is what may give others anxiety about the state of the union afterward. Benjamin Oreskes, latimes.com, "Essential California: Suspected Golden State Killer caught," 26 Apr. 2018 The new satellites are being engineered with greater resilience to enemy attacks through cyber hardening, smaller, less vulnerable form factors and jam-resistant GPS systems. Kris Osborn, Fox News, "New Air Force weapons strategy speeds missile warning, hypersonics and F-35 technology," 17 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hardening.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of hardening

15th century, in the meaning defined above

Keep scrolling for more

Learn More about hardening

Statistics for hardening

Look-up Popularity

Time Traveler for hardening

The first known use of hardening was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for hardening



Financial Definition of hardening

What It Is

Hardening refers to stabilization or steady increases in a price level.

How It Works

Financial instruments and derivatives frequently experience volatile market-price fluctuations. Hardening is the process of market prices gradually returns to a normal levels following a period of instability. Likewise, an item that experiences steady long-term gains rather than abrupt short-term price escalations is described as hardening

Why It Matters

Hardened securities and derivatives tend to experience smaller day-to-day fluctuations and are often attractive to investors, because they become easier to predict and have a decreased level of risk.

Source: Investing Answers


hard·en·ing | \ˈhärd-niŋ, -ᵊn-iŋ \

Medical Definition of hardening 

: sclerosis sense 1 hardening of the arteries

More from Merriam-Webster on hardening

Nglish: Translation of hardening for Spanish Speakers

Britannica English: Translation of hardening for Arabic Speakers

Comments on hardening

What made you want to look up hardening? Please tell us where you read or heard it (including the quote, if possible).


a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!