monocle

/ˈmɑnəkəl/

//ˈmɑnəkəl// noun

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

The verdict

“monocle” is an uncommon English word, ranked #54,948 in English word frequency and used as a noun.

#54,948
frequency rank, English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A single lens, usually in a wire frame, and used to correct vision for only one eye.

Key facts for monocle
PropertyValue
Headwordmonocle
LanguageEnglish
Part of speechNoun
IPA/ˈmɑnəkəl/
Letters7
Frequency rank#54,948
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “monocle” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). monocle lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for monocle is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈmɑnəkəl/. Corpus data places it at rank #54,948 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

We couldn't generate a plausible misspelling set for monocle, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: 1886, borrowed from French monocle, from Late Latin monoculus (“one-eyed”), from mono- (“single”) + oculus (“eye”). The correct English form is monocle, spelled M-O-N-O-C-L-E.

Definition

  1. 1
    A single lens, usually in a wire frame, and used to correct vision for only one eye.
  2. 2
    A one-eyed animal.

Etymology

1886, borrowed from French monocle, from Late Latin monoculus (“one-eyed”), from mono- (“single”) + oculus (“eye”).

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "monocle"?
"monocle" is spelled M-O-N-O-C-L-E. The IPA pronunciation is /ˈmɑnəkəl/.
What does "monocle" mean?
As a noun, "monocle" means: A single lens, usually in a wire frame, and used to correct vision for only one eye.
How do you pronounce "monocle"?
The IPA (International Phonetic Alphabet) transcription for "monocle" is /ˈmɑnəkəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "monocle"?
1886, borrowed from French monocle, from Late Latin monoculus (“one-eyed”), from mono- (“single”) + oculus (“eye”). See the full etymology section above for more details.
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 “monocle”

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

  • The one correct English spelling is M-O-N-O-C-L-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈmɑnəkəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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