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lock

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

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4 characters

Language

English

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Detailed reference entry for the English word "lock", 4-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "lock" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "lock" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

lock is aEnglishnoun. It means: Something used for fastening, which can only be opened with a key or combination. Pronounced /lɒk/. It ranks #2,954 in English word frequency. Often confused with lot and low.

Key facts for lock
PropertyValue
Headwordlock
LanguageEnglish
Part of speechNoun
IPA/lɒk/
Letters4
Frequency rank#2,954
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of lock in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for lock is 4 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /lɒk/. Corpus data places it at rank #2,954 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 12 distinct senses for this headword, so context determines which meaning a reader should apply.

Our Hunspell-derived misspelling index lists 6 documented wrong-spelling variants for lock, with forms such as "lcok", "llock", and "locck". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 20 confusable-pair relationships, "lot", "low", "lol", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English lok, from Old English loc, from Proto-West Germanic *lok, from Proto-Germanic *luką from Proto-Indo-European *lewg- (“to bend; turn”). Cognate with Cimbrian loch, lòch (“hole”), Dutch lok (“hole”), German Loch (“hole”), German Low German… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is lock, spelled L-O-C-K, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Something used for fastening, which can only be opened with a key or combination.
  2. 2
    A mutex or other token restricting access to a resource.
  3. 3
    A segment of a canal or other navigable waterway enclosed by gates, used for raising and lowering boats between levels.
  4. 4
    The firing mechanism.
  5. 5
    Complete control over a situation.
  6. 6
    Something sure to be a success.
  7. 7
    Synonym of Dutch book.
  8. 8
    A player in the scrum behind the front row, usually the tallest members of the team.
  9. 9
    A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.
  10. 10
    A place impossible to get out of, as by a lock.
  11. 11
    A device for keeping a wheel from turning.
  12. 12
    A grapple in wrestling.

Etymology

From Middle English lok, from Old English loc, from Proto-West Germanic *lok, from Proto-Germanic *luką from Proto-Indo-European *lewg- (“to bend; turn”). Cognate with Cimbrian loch, lòch (“hole”), Dutch lok (“hole”), German Loch (“hole”), German Low German Lock (“hole”), Luxembourgish Lach (“hole”), Vilamovian łöch (“hole”), Yiddish לאָך (lokh, “hole”), Danish låg (“lid, cover”), Norwegian Bokmål lokk (“lid, cover”), Norwegian Nynorsk lok, lokk (“lid, cover”). more detail The verb is from Middle English locken, lokken, louken, from Old English lūcan, Proto-West Germanic *lūkan, from Proto-Germanic *lūkaną. Cognate with Dutch luiken (“to close, to shut”), Danish, Norwegian Bokmål lukke (“to close, to shut”), Faroese lúka (“to end, to finish”), Icelandic ljúka (“to close, to shut”), Norwegian Nynorsk lukka (“to close, to shut”). Related to luxe via Latin.

This word in other languages

Common misspellings

Also misspelled as: lcok,llock,locck,lockk,lokc,olck

Misspelling Pattern Breakdown

Relative frequency of common misspelling types for lock

Misspelling Variants of "lock"

lcok4llock5locck5lockk5lokc4olck4
Misspelling Variants of "lock"

Frequency rank: #2,954 in English

Frequently Asked Questions

How do you spell "lock"?
"lock" is spelled L-O-C-K. The IPA pronunciation is /lɒk/.
What does "lock" mean?
As a noun, "lock" means: Something used for fastening, which can only be opened with a key or combination.
What words are commonly confused with "lock"?
"lock" is commonly confused with "lot", "low", "lol". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "lock"?
The IPA (International Phonetic Alphabet) transcription for "lock" is /lɒk/. 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 "lock"?
From Middle English lok, from Old English loc, from Proto-West Germanic *lok, from Proto-Germanic *luką from Proto-Indo-European *lewg- (“to bend; turn”). Cognate with Cimbrian loch, lòch (“hole”), Dutch lok (“hole”), German Loch (“hole”), German ... 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.

Nearby English words

Other entries that begin with the letter L in our English index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.