lockout

noun

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

The verdict

“lockout” is a moderately-common English word, ranked #24,499 in English word frequency and used as a noun.

#24,499
frequency rank, English
7
letters
10
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The opposite of a strike; a labor disruption where management refuses to allow workers into a plant to work even if they are willing.

Visual similarity to commonly confused words

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

lockout vs lockup
71% similar
lockout vs lookout
86% similar
lockout vs locket
71% similar

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

Key facts for lockout
PropertyValue
Headwordlockout
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#24,499
Misspellings tracked10
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “lockout” 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). lockout 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 lockout is 7 letters long, classified as a noun. Corpus data places it at rank #24,499 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 10 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for lockout, with forms such as "lcokout", "llockout", and "locckout". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 4 confusable-pair relationships, "lockup", "lookout", "locket", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Deverbal from lock out. The correct English form is lockout, spelled L-O-C-K-O-U-T.

Definition

  1. 1
    The opposite of a strike; a labor disruption where management refuses to allow workers into a plant to work even if they are willing.
  2. 2
    The action of installing a lock to keep someone out of an area, such as eviction of a tenant by changing the lock.
  3. 3
    The exclusion of certain people from a place, event, situation, etc.
  4. 4
    The restriction of a population to a certain area, but allowing free movement within that region, in order to prevent the spread of disease. Compare lockdown.
  5. 5
    The situation of being locked out of a building.
  6. 6
    A situation where the system is not responding to input.
  7. 7
    A safety device designed to prevent touching a moving part when it is under operation; a safety device to keep the power supply turned off during repairs; the standardized practice and method whereby such devices are deployed.
  8. 8
    The final portion of a weightlifting motion where all applicable limbs or joints are fully extended or "locked out".
  9. 9
    An exercise meant to increase strength in the lockout portion of a lifting motion.
  10. 10
    A form of vote splitting in a two-round voting system which a large number of candidates with similar politics prevent each other from advancing to the second round, allowing a pair of opposition candidates to face each other in the runoff.

Etymology

Deverbal from lock out.

This word in other languages

Common misspellings

Also misspelled as: lcokout,llockout,locckout,lockkout,lockotu,lockoutt,lockuot,locokut,lokcout,olckout

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of lockout - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

lcokout2llockout1locckout1lockkout1lockotu2lockoutt1lockuot2locokut2
Edit distance from "lockout"

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 "lockout"?
"lockout" is spelled L-O-C-K-O-U-T.
What does "lockout" mean?
As a noun, "lockout" means: The opposite of a strike; a labor disruption where management refuses to allow workers into a plant to work even if they are willing.
What words are commonly confused with "lockout"?
"lockout" is commonly confused with "lockup", "lookout", "locket". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "lockout"?
Deverbal from lock out. 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 “lockout”

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

  • The one correct English spelling is L-O-C-K-O-U-T - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “lockup” - see the side-by-side comparison. lockout vs lockup
  • 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