as in durable
not able to be broken
The two of them had an unbreakable bond of friendship. The plastic is virtually unbreakable.
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Recent Examples of unbreakable
In the 1950s, China and the Soviet Union appeared bound by an unbreakable alliance, but ideological differences and a struggle for leadership of the communist world produced a rupture so severe that Beijing and Moscow stood on the precipice of war in 1969.
—
Ali Wyne, Time, 23 Mar. 2026
But Signal, operated by a nonprofit, is far less popular and uses a complex type of encryption designed to be unbreakable, even by a theoretical advanced quantum computer.
—Kevin Collier, NBC news, 9 Mar. 2026
Their unbroken circle of gemstones is thought to represent enduring commitment, everlasting love, and an unbreakable bond between two people.
—Bailey Bujnosek, InStyle, 7 Mar. 2026
That’s just one of our unbreakable rules here at Bubble Watch.
—Jim Root, New York Times, 6 Mar. 2026
See All Example Sentences for unbreakable
Ali Wyne, Time, 23 Mar. 2026
But Signal, operated by a nonprofit, is far less popular and uses a complex type of encryption designed to be unbreakable, even by a theoretical advanced quantum computer.
—Kevin Collier, NBC news, 9 Mar. 2026
Their unbroken circle of gemstones is thought to represent enduring commitment, everlasting love, and an unbreakable bond between two people.
—Bailey Bujnosek, InStyle, 7 Mar. 2026
That’s just one of our unbreakable rules here at Bubble Watch.
—Jim Root, New York Times, 6 Mar. 2026
See All Example Sentences for unbreakable
Recent Examples of Synonyms for unbreakable
Adjective
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The magnetic closure keeps your products secure while the case’s neoprene material is both sleek and durable.—
Chaise Sanders,
Travel + Leisure,
15 Apr. 2026
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The democratization of mobility Ford is known for putting America on wheels with the launch of the affordable and durable Model-T in 1908.—
Jamie L. LaReau,
USA Today,
15 Apr. 2026
Adjective
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His story is raw and real and honest and enduring.—
Angie Martoccio,
Rolling Stone,
14 Apr. 2026
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Since the franchise’s debut at the 2010 Toronto Film Festival, Insidious has become one of the most enduring and successful horror series of all time, grossing more than $740 million worldwide.—
Justin Kroll,
Deadline,
13 Apr. 2026
Adjective
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Once completed, the $5 million acquisition will ensure the theater has a permanent home, a place where skateboarding clowns and leek-haired onions can continue to frolic and dance for decades to come.—
Todd Martens,
Los Angeles Times,
13 Apr. 2026
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Electronics like old cell phones, batteries, or cameras can experience permanent damage due to changing moisture levels in plastic storage.—
Kate Van Pelt,
The Spruce,
13 Apr. 2026
Cite this Entry
“Unbreakable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unbreakable. Accessed 20 Apr. 2026.
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