Word.ws English Dictionary

half-open

half-open adjective: partially open; ajar.

Adjective

half-open (not comparable)

  1. partially open; ajar
    • Between the fixed, full-height ends run flexible covers, carried on tubes running in guides, which can be locked in the closed, half-open or fully open positions; [...].1964 April, G. Freeman Allen, “The BRB shows traders the Liner train prototypes”, in Modern Railways, page 265
  2. (referring to an interval on the real line) containing only one of its endpoints

Origin of half-open

From half- + open.

Phrases with half-open

Questions about half-open

What does half-open mean?
Half-open means partially open; ajar.
What part of speech is half-open?
Half-open is an adjective.

Words near half-open in the dictionary

  1. half-night stands
  2. half-noble
  3. half-nobles
  4. half-one
  5. half-op
  6. half-open
  7. half-open file
  8. half-open files
  9. half-open interval
  10. half-open intervals
  11. half-ops

Source and license

Adapted from Wiktionary: half-open (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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