sunup

/ˈsʌnʌp/

//ˈsʌnʌp// noun

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

The verdict

“sunup” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The time of day when the sun appears above the eastern horizon.

Corpus desk

Index EN-sunup · sunup · English

sunup · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for sunup
PropertyValue
Headwordsunup
LanguageEnglish
Part of speechNoun
IPA/ˈsʌnʌp/
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “sunup” in English

sunupfalls 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.

Rare enough to double-check

sunup is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈsʌnʌp/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for sunup, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: sun + up The correct English form is sunup, spelled S-U-N-U-P.

Definition

  1. 1
    The time of day when the sun appears above the eastern horizon.
  2. 2
    The change in color of the sky at sunup.

Recorded use

Wiktionary example

These source excerpts show how sunup appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. “Shagbark, that was risky on your part; even where it lies it is much closer than I like, for we shall all have to see it in the morning.” “No, you won’t; it’ll be gone afore sunup.”

Etymology

sun + up

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 "sunup"?
"sunup" is spelled S-U-N-U-P. The IPA pronunciation is /ˈsʌnʌp/.
What does "sunup" mean?
As a noun, "sunup" means: The time of day when the sun appears above the eastern horizon.
How do you pronounce "sunup"?
The IPA (International Phonetic Alphabet) transcription for "sunup" is /ˈsʌnʌp/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "sunup"?
sun + up 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.

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

Source: FrequencyWords open word-frequency list