follow Dictionary.com

Denotation vs. Connotation

breakthrough

[breyk-throo] /ˈbreɪkˌθru/
noun
1.
a military movement or advance all the way through and beyond an enemy's front-line defense.
2.
an act or instance of removing or surpassing an obstruction or restriction; the overcoming of a stalemate:
The president reported a breakthrough in the treaty negotiations.
3.
any significant or sudden advance, development, achievement, or increase, as in scientific knowledge or diplomacy, that removes a barrier to progress:
The jet engine was a major breakthrough in air transport.
adjective
4.
constituting a breakthrough:
engineered with breakthrough technology; Critics called it a breakthrough film.
Origin of breakthrough
1915-1920
1915-20; noun use of verb phrase break through
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for breakthrough
Contemporary Examples
Historical Examples
  • The required air current shall be conducted to the breakthrough nearest the face of such entry or room.

  • I get eight hundred for selling you the ticket on the breakthrough time.

    Second Sight Basil Eugene Wells
  • But now, with this money from the breakthrough pool, he could rent a super mech—live as a man should live!

    Second Sight Basil Eugene Wells
  • Nevertheless, the two scientists were jubilant at this first breakthrough.

  • That was the day when an old acquaintance from the lower levels sold him the chance on the 80th Level's breakthrough.

    Second Sight Basil Eugene Wells
Word Origin and History for breakthrough
n.

1918, in a military sense, from break (v.) + through (adv.). The verbal phrase is attested from c.1400. Meaning "abrupt solution or progress" is from 1930s, on the notion of a successful attack.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for breakthrough

Some English speakers likely know this word

Word Value for breakthrough

25
26
Scrabble Words With Friends

Nearby words for breakthrough