lieutenant colonel

/lɛfˈtɛ.nənt ˈkɜː.nəl/

//lɛfˈtɛ.nənt ˈkɜː.nəl// noun

"lieutenant-colonel" is a 17-letter English headword indexed on PlainSpell.

The verdict

“lieutenant colonel” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
18
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An army officer in many countries, ranking below a colonel and above a major. Often the commander of a battalion or the executive officer of a regiment.

Key facts for lieutenant colonel
PropertyValue
Headwordlieutenant colonel
LanguageEnglish
Part of speechNoun
IPA/lɛfˈtɛ.nənt ˈkɜː.nəl/
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “lieutenant colonel” sits in English frequency

lieutenant colonel 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.

Rare enough to double-check

lieutenant colonel is uncommon English outside the top frequency list, classed as anoun, transcribed /lɛfˈtɛ.nənt ˈkɜː.nəl/. Rarity is why readers land here mid-draft. 4 senses are on record.

No generated misspelling entries exist for lieutenant colonel in our index, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No explicit etymology string is stored for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is lieutenant colonel, spelled L-I-E-U-T-E-N-A-N-T- -C-O-L-O-N-E-L.

Definition

  1. 1
    An army officer in many countries, ranking below a colonel and above a major. Often the commander of a battalion or the executive officer of a regiment.
  2. 2
    An English-language term used as a general categorization for military officer ranks that are the equivalent of lieutenant colonel, the relative rank level is found in most countries.
  3. 3
    An officer in the United States Marine Corps or Royal Marines, of equivalent rank to their counterparts in the army.
  4. 4
    An officer in the United States Air Force, Air Force Reserve, or Air National Guard, ranking below colonel and above major. Often the commander of a squadron or the executive officer of a wing.

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 "lieutenant colonel"?
"lieutenant colonel" is spelled L-I-E-U-T-E-N-A-N-T- -C-O-L-O-N-E-L. The IPA pronunciation is /lɛfˈtɛ.nənt ˈkɜː.nəl/.
What does "lieutenant colonel" mean?
As a noun, "lieutenant colonel" means: An army officer in many countries, ranking below a colonel and above a major. Often the commander of a battalion or the executive officer of a regiment.
How do you pronounce "lieutenant colonel"?
The IPA (International Phonetic Alphabet) transcription for "lieutenant colonel" is /lɛfˈtɛ.nənt ˈkɜː.nəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "lieutenant colonel" come from?
"lieutenant colonel" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “lieutenant colonel”

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

  • The one correct English spelling is L-I-E-U-T-E-N-A-N-T- -C-O-L-O-N-E-L - every other letter order is a misspelling in standard orthography.
  • Say it as /lɛfˈtɛ.nənt ˈkɜː.nəl/ (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