good day

intj

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

The verdict

“good day” is uncommon English (outside the top frequency list), classed as an interjection. 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) - A somewhat formal greeting generally used between sunrise and sunset.

Corpus desk

Index EN-good-day · good day · English

good day · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "G" 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 good day
PropertyValue
Headwordgood day
LanguageEnglish
Part of speechInterjection
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “good day” in English

good 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

good day is uncommon English outside the top frequency list, classed as aninterjection. Rarity is why readers land here mid-draft. 2 senses are on record.

good day doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is good day, spelled G-O-O-D- -D-A-Y.

Definition

  1. 1
    A somewhat formal greeting generally used between sunrise and sunset.
  2. 2
    A dismissal; sometimes used to express annoyance.

Recorded use

Wiktionary examples

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

  1. Good day, gentlemen.
  2. Good day, and happineſſe, deere Roſalind.

This word in other languages

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 "good day"?
"good day" is spelled G-O-O-D- -D-A-Y.
What does "good day" mean?
As an interjection, "good day" means: A somewhat formal greeting generally used between sunrise and sunset.
What language does "good day" come from?
"good day" 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.

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

Source: FrequencyWords open word-frequency list