good-by

intj

"good-by" is a 6-letter English headword indexed on PlainSpell.

The verdict

“good-by” is uncommon English (outside the top frequency list), classed as an interjection. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Dated form of goodbye.

Corpus desk

Index EN-good-by · good-by · English

good-by · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 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-by
PropertyValue
Headwordgood-by
LanguageEnglish
Part of speechInterjection
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “good-by” in English

good-bysits 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-by is uncommon English outside the top frequency list, classed as aninterjection. Rarity is why readers land here mid-draft. Gloss: "Dated form of goodbye.".

No misspelling variants are generated for good-by in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No documented word history exists for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is good-by, spelled G-O-O-D---B-Y.

Definition

  1. 1
    Dated form of goodbye.

Recorded use

Wiktionary example

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

  1. “Good-by, then,” said Phœbe, frankly. “I do not mean to be angry a great while, and should be sorry to have you think so. There has Cousin Hepzibah been standing in the shadow of the door-way, this quarter of an hour past! She thinks I stay too long in the damp garden. So, good-night, and good-by!”

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-by"?
"good-by" is spelled G-O-O-D---B-Y.
What does "good-by" mean?
As an interjection, "good-by" means: Dated form of goodbye.
What language does "good-by" come from?
"good-by" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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