monocular

/məˈnɑkjələɹ/

//məˈnɑkjələɹ// adj

"monocular" is a 9-letter English headword indexed on PlainSpell.

The verdict

“monocular” is uncommon English (frequency #78,840 among 4,057 “M” headwords), classed as an adjective. The kind of spelling people second-guess.

#78,840
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having one eye.

Corpus desk

Index EN-monocular · monocular · English

monocular · rank #78,840 · 0 variants · 0 confusables

  • FREQ-RARE #78,840
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH monolayer

Nearest frequency peer: monolayer (+1 rank slots)

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.

Long-tail ranks near “monocular”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “monocular” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for monocular
PropertyValue
Headwordmonocular
LanguageEnglish
Part of speechAdjective
IPA/məˈnɑkjələɹ/
Letters9
Frequency rank#78,840
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “monocular” in English

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “monolayer” (#78,841), “monotonic” (#78,842), “Moksha” (#78,837). Among 4,057 “M” headwords, “monocular” is #78,840. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

monocular is uncommon English at frequency #78,840 among 4,057 “M” headwords, classed as anadjective, transcribed /məˈnɑkjələɹ/. Rarity is why readers land here mid-draft. 3 senses are on record.

The misspelling generator found no plausible variants for monocular, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From mono- + ocular. The correct English form is monocular, spelled M-O-N-O-C-U-L-A-R.

Definition

  1. 1
    Having one eye.
  2. 2
    Related to a monocle.
  3. 3
    Of any optical system suitable for use by one eye at a time.

Recorded use

Wiktionary examples

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

  1. ...one of his sparks alighted upon my eye and destroyed it making me a monocular ape;
  2. You are not such a foolish woman as to like to be seen with Fred Mostyn, that little monocular snob, after the aristocratic, handsome Basil Stanhope.

Etymology

From mono- + ocular.

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 "monocular"?
"monocular" is spelled M-O-N-O-C-U-L-A-R. The IPA pronunciation is /məˈnɑkjələɹ/.
What does "monocular" mean?
As an adjective, "monocular" means: Having one eye.
How do you pronounce "monocular"?
The IPA (International Phonetic Alphabet) transcription for "monocular" is /məˈnɑkjələɹ/. 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 "monocular"?
From mono- + ocular. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "monocular", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list