fifty-fifty

adv

"fifty-fifty" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In half: in two equal parts, shares, etc.

Corpus desk

Index EN-fifty-fifty · fifty-fifty · English

fifty-fifty · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" 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 fifty-fifty
PropertyValue
Headwordfifty-fifty
LanguageEnglish
Part of speechAdverb
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fifty-fifty” in English

fifty-fiftysits 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

fifty-fifty is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In half: in two equal parts, shares, etc.".

Zero misspellings are on record for fifty-fifty in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

This entry's etymology isn't recorded, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is fifty-fifty, spelled F-I-F-T-Y---F-I-F-T-Y.

Definition

  1. 1
    In half: in two equal parts, shares, etc.

Recorded use

Wiktionary examples

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

  1. I'll handle production, you handle sales, and we'll split profits fifty-fifty.
  2. Throughout our discussions and searching inquiries one object figured ever more prominently—the moon. We learned that it was technologically possible to develop a program to reach the moon, and we came to realize that since the Russians did not then have the ability to reach the moon any more than we did, we had at least a fifty-fifty chance of beating th…

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 "fifty-fifty"?
"fifty-fifty" is spelled F-I-F-T-Y---F-I-F-T-Y.
What does "fifty-fifty" mean?
As an adverb, "fifty-fifty" means: In half: in two equal parts, shares, etc.
What language does "fifty-fifty" come from?
"fifty-fifty" 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