last but not least

/ˈlæst bʌt nɑt ˈlist/

//ˈlæst bʌt nɑt ˈlist// adv

"last-but-not-least" is a 15-letter English headword indexed on PlainSpell.

The verdict

“last but not least” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
18
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An expression to start the last item of a list, emphasising that while it is listed last, it is just as important as the rest of the items.

Corpus desk

Index EN-last-but-not-least · last but not least · English

last but not least · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 18 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" 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 last but not least
PropertyValue
Headwordlast but not least
LanguageEnglish
Part of speechAdverb
IPA/ˈlæst bʌt nɑt ˈlist/
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “last but not least” in English

last but not leastfalls 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

last but not least is uncommon English outside the top frequency list, classed as anadverb, transcribed /ˈlæst bʌt nɑt ˈlist/. Rarity is why readers land here mid-draft. Gloss: "An expression to start the last item of a list, emphasising that while it is listed last, it is just as important as the rest of the items.".

last but not least has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Rhetoric: A possible/common pattern to arrange a speech or essay suggests putting your strongest and thus most important argument favoring your own opinion first and conclude with the weakest, thus least important argument. The correct English form is last but not least, spelled L-A-S-T- -B-U-T- -N-O-T- -L-E-A-S-T.

Definition

  1. 1
    An expression to start the last item of a list, emphasising that while it is listed last, it is just as important as the rest of the items.

Recorded use

Wiktionary example

These source excerpts show how last but not least appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. And, last but not least, Pep Guardiola’s tactical mastery shone through despite setbacks.

Etymology

Rhetoric: A possible/common pattern to arrange a speech or essay suggests putting your strongest and thus most important argument favoring your own opinion first and conclude with the weakest, thus least important argument.

Synonyms

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 "last but not least"?
"last but not least" is spelled L-A-S-T- -B-U-T- -N-O-T- -L-E-A-S-T. The IPA pronunciation is /ˈlæst bʌt nɑt ˈlist/.
What does "last but not least" mean?
As an adverb, "last but not least" means: An expression to start the last item of a list, emphasising that while it is listed last, it is just as important as the rest of the items.
How do you pronounce "last but not least"?
The IPA (International Phonetic Alphabet) transcription for "last but not least" is /ˈlæst bʌt nɑt ˈlist/. 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 "last but not least"?
Rhetoric: A possible/common pattern to arrange a speech or essay suggests putting your strongest and thus most important argument favoring your own opinion first and conclude with the weakest, thus least important argument. 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.

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

Source: FrequencyWords open word-frequency list