good day

intj

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

The verdict

“good day” 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
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A somewhat formal greeting generally used between sunrise and sunset.

Key facts for good day
PropertyValue
Headwordgood day
LanguageEnglish
Part of speechInterjection
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “good day” sits in English frequency

good day 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 good day is 8 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.

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.

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.

Using “good day”

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

  • The one correct English spelling is G-O-O-D- -D-A-Y - 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