hump day

noun

"hump-day" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Wednesday.

Corpus desk

Index EN-hump-day · hump day · English

hump day · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" 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 hump day
PropertyValue
Headwordhump day
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “hump day” in English

hump daysits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

hump day is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Wednesday.".

No generated misspelling entries exist for hump day in our index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: The term alludes to the fact that Wednesday is the middle of the work week, meaning that one has made it "over the hump" towards the weekend. The correct English form is hump day, spelled H-U-M-P- -D-A-Y.

Definition

  1. 1
    Wednesday.

Etymology

The term alludes to the fact that Wednesday is the middle of the work week, meaning that one has made it "over the hump" towards the weekend.

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 "hump day"?
"hump day" is spelled H-U-M-P- -D-A-Y.
What does "hump day" mean?
As a noun, "hump day" means: Wednesday.
What is the origin of the word "hump day"?
The term alludes to the fact that Wednesday is the middle of the work week, meaning that one has made it "over the hump" towards the weekend. 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