open out

verb

"open-out" is a 7-letter English headword indexed on PlainSpell.

The verdict

“open out” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To expand, to widen, to unwrap, unfold or uncover, to spread out from a compact state.

Key facts for open out
PropertyValue
Headwordopen out
LanguageEnglish
Part of speechVerb
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “open out” sits in English frequency

open out falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for open out is 8 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "To expand, to widen, to unwrap, unfold or uncover, to spread out from a compact state.".

No generated misspelling entries exist for open out in our index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is open out, spelled O-P-E-N- -O-U-T.

Definition

  1. 1
    To expand, to widen, to unwrap, unfold or uncover, to spread out from a compact state.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "open out"?
"open out" is spelled O-P-E-N- -O-U-T.
What does "open out" mean?
As a verb, "open out" means: To expand, to widen, to unwrap, unfold or uncover, to spread out from a compact state.
What language does "open out" come from?
"open out" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “open out”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is O-P-E-N- -O-U-T - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list