Word.ws English Dictionary

CTO

CTO is the initialism of cancelled to order.

CTO is the initialism of chief technology officer or chief technical officer.

CTO is the initialism of confidential treatment order.

CTO is the initialism of chronic total occlusion.

Meaning of cancelled to order

Adjective

cancelled to order (not comparable)

  1. Cancelled by the postal service prior to sale to collectors, with no postal use intended.
    Synonyms:
    CTO

Noun

CTO (plural CTOs or CTO's)

  1. A cancelled-to-order postage stamp.

Forms of CTO

pluralCTOs
pluralCTO's

Questions about CTO

What does CTO mean?
CTO means a cancelled-to-order postage stamp.
What is CTO the initialism of?
CTO is the initialism of cancelled to order.
What part of speech is CTO?
CTO is a noun.
What is the plural of CTO?
The plural of CTO is CTOs.

Words near CTO in the dictionary

  1. CTM
  2. CTMs
  3. ctn
  4. cTnI
  5. ctns
  6. CTO
  7. CTOL
  8. CTOLs
  9. ctonic
  10. ctor
  11. ctors

Source and license

Adapted from Wiktionary: CTO (page history and authors); cancelled to order (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-CTO.oga.

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