odd one out

noun

"odd-one-out" is a 9-letter English headword indexed on PlainSpell.

The verdict

“odd one out” is uncommon English (outside the top frequency list), classed as a noun. 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) - Something or someone in a group that is different or exceptional, that does not fit.

Corpus desk

Index EN-odd-one-out · odd one out · English

odd one out · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 odd one out
PropertyValue
Headwordodd one out
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “odd one out” in English

odd one outfalls 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.

Rare enough to double-check

odd one out is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

odd one out doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

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 odd one out, spelled O-D-D- -O-N-E- -O-U-T.

Definition

  1. 1
    Something or someone in a group that is different or exceptional, that does not fit.
  2. 2
    A visual puzzle where the guesser has to choose which word, picture or symbol, etc. does not fit with the others.

Recorded use

Wiktionary example

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

  1. Am I the odd one out for thinking this is quite alarming? That I should find it weird to see a 41-year-old influencer bleating about her “bleph”.

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 "odd one out"?
"odd one out" is spelled O-D-D- -O-N-E- -O-U-T.
What does "odd one out" mean?
As a noun, "odd one out" means: Something or someone in a group that is different or exceptional, that does not fit.
What language does "odd one out" come from?
"odd one out" 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