least

/liːst/

//liːst// adj

"least" is a 5-letter English headword indexed on PlainSpell.

The verdict

“least” is in the everyday core of English, ranked #348 in English word frequency and used as an adjective.

#348
frequency rank, English
5
letters
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Chiefly preceded by the: superlative form of little: most little.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

least vs let
60% similar
least vs les
60% similar
least vs LST
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for least
PropertyValue
Headwordleast
LanguageEnglish
Part of speechAdjective
IPA/liːst/
Letters5
Frequency rank#348
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “least” 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). least 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 least is 5 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /liːst/. Corpus data places it at rank #348 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 7 likely wrong-spelling variants for least, with forms such as "elast", "laest", and "leasst". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "let", "les", "LST", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: The adjective, determiner, and noun are derived from Middle English leste, lest, last (“(adjective) smallest, least; (noun) smallest thing, etc.; person or thing least in importance; etc.”), from Old English lǣst, a contraction of læsast, læsest (“least”) (… The correct English form is least, spelled L-E-A-S-T.

Definition

  1. 1
    Chiefly preceded by the: superlative form of little: most little.
  2. 2
    Chiefly preceded by the: superlative form of little: most little.
  3. 3
    Chiefly preceded by the: superlative form of little: most little.
  4. 4
    Chiefly preceded by the: superlative form of little: most little.

Etymology

The adjective, determiner, and noun are derived from Middle English leste, lest, last (“(adjective) smallest, least; (noun) smallest thing, etc.; person or thing least in importance; etc.”), from Old English lǣst, a contraction of læsast, læsest (“least”) (also lærest in only one source), from Proto-Germanic *laisistaz (“smallest, least”), from *laisiz (“less”) (possibly from Proto-Indo-European *leh₂is- or *leh₃is-; whence modern English less) + *-istaz (“suffix forming superlative forms of some adjectives”). The adverb and pronoun are derived from the adjective or determiner. cognates * Old Frisian leist * Old Saxon lēs

Common misspellings

Also misspelled as: elast,laest,leasst,leastt,leats,lesat,lleast

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of least - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

elast2laest2leasst1leastt1leats2lesat2lleast1
Edit distance from "least"

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 "least"?
"least" is spelled L-E-A-S-T. The IPA pronunciation is /liːst/.
What does "least" mean?
As an adjective, "least" means: Chiefly preceded by the: superlative form of little: most little.
What words are commonly confused with "least"?
"least" is commonly confused with "let", "les", "LST". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "least"?
The IPA (International Phonetic Alphabet) transcription for "least" is /liːst/. 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 "least"?
The adjective, determiner, and noun are derived from Middle English leste, lest, last (“(adjective) smallest, least; (noun) smallest thing, etc.; person or thing least in importance; etc.”), from Old English lǣst, a contraction of læsast, læsest (... 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 “least”

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

  • The one correct English spelling is L-E-A-S-T - every other letter order is a misspelling in standard orthography.
  • Say it as /liːst/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “let” - see the side-by-side comparison. least vs let
  • 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