odd duck

noun

"odd-duck" is a 7-letter English headword indexed on PlainSpell.

The verdict

“odd duck” is outside the top-ranked English vocabulary, used as a noun - 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) - An unusual person, especially one with an idiosyncratic personality or peculiar behavioral characteristics.

Key facts for odd duck
PropertyValue
Headwordodd duck
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “odd duck” sits in English frequency

odd duck 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 odd duck is 8 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "An unusual person, especially one with an idiosyncratic personality or peculiar behavioral characteristics.".

odd duck doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is odd duck, spelled O-D-D- -D-U-C-K.

Definition

  1. 1
    An unusual person, especially one with an idiosyncratic personality or peculiar behavioral characteristics.

Synonyms

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 duck"?
"odd duck" is spelled O-D-D- -D-U-C-K.
What does "odd duck" mean?
As a noun, "odd duck" means: An unusual person, especially one with an idiosyncratic personality or peculiar behavioral characteristics.
What language does "odd duck" come from?
"odd duck" 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.

Using “odd duck”

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

  • The one correct English spelling is O-D-D- -D-U-C-K - 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