Word.ws English Dictionary

preorder

UK/pɹiːˈɔːdə//ˈpɹiˌoɹdɚ/

preorder verb: to order (goods or services) in advance, before they are available.

Verb

preorder (third-person singular simple present preorders, present participle preordering, simple past and past participle preordered)

  1. (intransitive, transitive) To order (goods or services) in advance, before they are available.
    • Preorder now at website.com!
  2. (transitive) To sort or arrange beforehand.

Noun

preorder (plural preorders)

  1. An order for goods or services placed in advance.
    • available for preorder
    • Head over to website.com and get your preorder in.
  2. A binary relation that is reflexive and transitive.
    • The relation of logical implication over sentences is an example of a preorder.
    • Example 436 For each set A, the relation #92;subseteq is a preorder on #92;mathcal#123;P#125;(A).2002, Yves Nievergelt, Foundations of Logic and Mathematics, Springer (Birkhäuser), page 152

Adjective

preorder (not comparable)

  1. Such that, recursively, the root is visited before the left and right subtrees.
    • Now, the preorder traversal of a tree can be constructed from the preorder traversals of the subtrees rooted at the children of the root of the tree.2002, Gabriel Valiente, Algorithms on Trees and Graphs, Springer, page 115
    • In the program given above, tree is constructed and is traversed in inorder, preorder and postorder traversal.2006, ISRD Group, Data Structures Using C, Tata McGraw-Hill Education, page 254

Synonyms of preorder

Forms of preorder

Verb
third-person singular presentpreorders
present participlepreordering
past participlepreordered
pastpreordered
alternative formpre-order
Noun
pluralpreorders

Past tense of preorder: preordered

Plural of preorder: preorders

Origin of preorder

From pre- + order.

Words formed from preorder

  • preorder algebra
  • preorder atom
  • preorder functor
  • strict preorder

Questions about preorder

What does preorder mean?
Preorder means to order (goods or services) in advance, before they are available.
What part of speech is preorder?
Preorder can be a verb, a noun or an adjective.
How do you pronounce preorder?
Preorder is pronounced /pɹiːˈɔːdə/ (UK).
What is the past tense of preorder?
The past tense of preorder is preordered.

Words near preorder in the dictionary

  1. preordained
  2. preordaining
  3. preordainment
  4. preordainments
  5. preordains
  6. preorder
  7. preordered
  8. preordering
  9. preorders
  10. preordinance
  11. preordinances

Source and license

Adapted from Wiktionary: preorder (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “preorder.” Word.ws, https://word.ws/preorder. Based on Wiktionary, CC BY-SA 4.0.