hey up

intj

"hey-up" is a 5-letter English headword indexed on PlainSpell.

The verdict

“hey up” is outside the top-ranked English vocabulary, used as an interjection - the kind of word writers most often double-check.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A greeting.

Key facts for hey up
PropertyValue
Headwordhey up
LanguageEnglish
Part of speechInterjection
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “hey up” sits in English frequency

hey up 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 hey up is 6 letters long, classified as an interjection. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for hey up 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.

Etymologically, the entry records: From high up as a warning. Written heigh up by Joseph Wright in The English Dialect Dictionary. Always pronounced with the diphthong /ɛɪ/ as was formerly used in high in these dialects. Never pronounced /eː/ as used in hay. The correct English form is hey up, spelled H-E-Y- -U-P.

Definition

  1. 1
    A greeting.
  2. 2
    Used to get attention, or as a warning.

Etymology

From high up as a warning. Written heigh up by Joseph Wright in The English Dialect Dictionary. Always pronounced with the diphthong /ɛɪ/ as was formerly used in high in these dialects. Never pronounced /eː/ as used in hay.

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 "hey up"?
"hey up" is spelled H-E-Y- -U-P.
What does "hey up" mean?
As an interjection, "hey up" means: A greeting.
What is the origin of the word "hey up"?
From high up as a warning. Written heigh up by Joseph Wright in The English Dialect Dictionary. Always pronounced with the diphthong /ɛɪ/ as was formerly used in high in these dialects. Never pronounced /eː/ as used in hay. See the full etymology section above for more details.
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 “hey up”

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

  • The one correct English spelling is H-E-Y- -U-P - 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