Simple Definition of breakthrough
: a sudden increase in knowledge, understanding, etc. : an important discovery that happens after trying for a long time to understand or explain something
: a person's first important success
Full Definition of breakthrough
1 : an offensive thrust that penetrates and carries beyond a defensive line in warfare
2 : an act or instance of breaking through an obstacle <a breakthrough agreement>
3 a : a sudden advance especially in knowledge or technique <a medical breakthrough> b : a person's first notable success <a breakthrough novel>
Examples of breakthrough in a sentence
Researchers say they have made a major breakthrough in cancer treatment.
The police have announced a breakthrough in the murder case.
This job could be the breakthrough she's been waiting for.
First Known Use of breakthrough
Rhymes with breakthrough
accrue, achoo, adieu, ado, Agnew, aircrew, airscrew, anew, askew, babu, Baku, bamboo, battu, battue, bayou, bedew, beshrew, bestrew, bijou, boo-boo, boubou, brand-new, burgoo, cachou, can-do, canoe, caoutchouc, Carew, Cebu, Chonju, construe, Corfu, corkscrew, coypu, CQ, cuckoo, curfew, debut, Depew, doo-doo, ecu, endue, ensue, eschew, floor-through, fondue, fordo, Gansu, Gentoo, Gifu, goo-goo, GQ, ground crew, gumshoe, guru, hairdo, hereto, Hindu, home brew, Honshu, horseshoe, how-to, HQ, Hutu, igloo, imbrue, imbue, IQ, jackscrew, K2, Kansu, karoo, Karoo, kazoo, Khufu, kung fu, Kwangju, leadscrew, lean-to, long view, make-do, Matthew, me-too, mildew, milieu, miscue, misdo, muumuu, non-U, old-shoe, one-two, on view, outdo, perdu, Peru, poilu, prau, preview, pursue, purview, ragout, redo, renew, Renfrew, review, revue, rough-hew, run-through, sandshoe, Sardou, see-through, set-to, setscrew, shampoo, sinew, skiddoo, snafu, snowshoe, soft-shoe, span-new, subdue, surtout, taboo, Taegu, tattoo, thank-you, thereto, thumbscrew, to-do, too-too, tree shrew, undo, undue, unglue, unscrew, untrue, vatu, vendue, venue, virtu, voodoo, wahoo, walk-through, wherethrough, whereto, who's who, worldview, yahoo, yoo-hoo
BREAKTHROUGH Defined for Kids
Definition of breakthrough for Students
: a sudden advance or successful development <a breakthrough in medical research>
Seen and Heard
What made you want to look up breakthrough? Please tell us where you read or heard it (including the quote, if possible).