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Definitions

breakthrough

[breyk-throo] / ˈbreɪkˌθru /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

London-born Wallace had his breakthrough role in 2019 as Moses in Babyteeth, before going on to feature in the Netflix teen drama The Society.

From BBC • Jun. 1, 2026

However, there’s an absence of a clear breakthrough in the U.S.-Iran negotiations and renewed incidents in the Middle East, Tickmill’s Joseph Dahrieh says in an email.

From The Wall Street Journal • Jun. 1, 2026

Clark approaches a breakthrough, but can’t see past his own victim complex before their time is up.

From Salon • May 30, 2026

Researchers have uncovered evidence that superconductivity can be controlled by changing a material's surrounding environment, a breakthrough that could eventually lead to more efficient electronics and powerful quantum technologies.

From Science Daily • May 29, 2026

By Thursday, James had made a breakthrough with Maddie’s cipher and was back in high spirits.

From "Book Scavenger" by Jennifer Chambliss Bertman




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