throughout

From Old English þurh ūt, equivalent to through +‎ out. Compare German durchaus (“all the way, fully, absolutely”).

• enPR: thro͞o-out', IPA^(key): /θɹuːˈaʊt/
• (Canada) IPA^(key): /θɹuˈʌʊt/
• (reduced also) IPA^(key): /θɹaʊt/

• Audio (US)

  (file)

• Rhymes: -aʊt

throughout

1. In every part of; all through.

   Synonyms: across, amidst, during

   • 1748, David Hume, Enquiries concerning the human understanding and concerning the principles of moral., London: Oxford University Press, published 1973, §5:

     And though a philosopher may live remote from business, the genius of philosophy, if carefully cultivated by several, must gradually diffuse itself throughout the whole society.

   • 1913, Robert Barr, chapter 4, in Lord Stranleigh Abroad:

     “My father had ideas about conservation long before the United States took it up. […] You preserve water in times of flood and freshet to be used for power or for irrigation throughout the year. […]”

   • 2006, Edwin Black, chapter 2, in Internal Combustion:

     But through the oligopoly, charcoal fuel proliferated throughout London's trades and industries.  By the 1200s, brewers and bakers, tilemakers, glassblowers, pottery producers, and a range of other craftsmen all became hour-to-hour consumers of charcoal.

2. (obsolete) Completely through, right the way through.
   • 1560, John Bourchier, 2nd Baron Berners, Arthur of Brytayn: the hystory of the moost noble and valyaunt knyght Arthur of lytell brytayne:

     His spere went clene thrughout hys body, and so he fell downe deed.

   • 1561, John Heywood, Seneca's Hercules Furens:

     The dedlye sworde throughout my brest to stryke I will applye.

   • 1756, William Hamilton, A New Edition of the Life and Heroick Actions of the renoun'd Sir William Wallace, page 33:

     His barnisht blad throughout his body share,

   • 1778, Thomas Warton, The History of English Poetry:

     Palamon at seeing Arcite , feels a colde fwerde glide throughout his heart: he starts from his ambuscade, and instantly salutes Areite with the appellation of false traitour.

throughout (not comparable)

Argent, a chevron throughout gules.

1. In every part; everywhere.
2. During an entire period of time, the whole time.
   • 2012, Chelsea 6-0 Wolves‎:

     Chelsea's youngsters, who looked lively throughout, then combined for the second goal in the seventh minute. Romeu's shot was saved by Wolves goalkeeper Dorus De Vries but Piazon kept the ball alive and turned it back for an unmarked Bertrand to blast home.

3. (heraldry) Of an ordinary such as a pile or chevron, or a partition per chevron, etc: extending to the edge of the field (or quarter, chief, etc).
   • 1892, John Woodward, George Burnett, A Treatise on Heraldry, British and Foreign: With English and French Glossaries, page 90:

     Thus the VON VÖLCKER of Frankfurt bear : Argent, a rose gules, the field embrassé à senestre of the second. We should blazon this : Gules, a pile throughout issuing from the dexter flank, charged with a rose of the field.

• passim