hack

/hæk/

//hæk// verb

"hack" is a 4-letter English headword indexed on PlainSpell.

The verdict

“hack” is a regularly-used English word, ranked #6,578 in English word frequency and used as a verb.

#6,578
frequency rank, English
4
letters
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To chop or cut down in a rough manner.

Visual similarity to commonly confused words

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

hack vs hc
50% similar
hack vs HK
0% similar
hack vs has
50% similar

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

Key facts for hack
PropertyValue
Headwordhack
LanguageEnglish
Part of speechVerb
IPA/hæk/
Letters4
Frequency rank#6,578
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “hack” 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). hack 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 hack is 4 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /hæk/. Corpus data places it at rank #6,578 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 15 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for hack, with forms such as "ahck", "hacck", and "hackk". 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, "hc", "HK", "has", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English hacken, hakken, from Old English *haccian (“to hack”), from Proto-West Germanic *hakkōn, from Proto-Germanic *hakkōną (“to chop; hoe; hew”), from Proto-Indo-European *keg-, *keng- (“to be sharp; peg; hook; handle”). Cognate with Saterlan… The correct English form is hack, spelled H-A-C-K.

Definition

  1. 1
    To chop or cut down in a rough manner.
  2. 2
    To withstand or put up with a difficult situation.
  3. 3
    To make a quick code change to patch a computer program, often one that, while being effective, is inelegant or makes the program harder to maintain.
  4. 4
    To accomplish a difficult programming task.
  5. 5
    To work with something on an intimately technical level.
  6. 6
    To apply a trick, shortcut, skill, or novel method to something to increase productivity, efficiency or ease.
  7. 7
    To hack into; to gain unauthorized access to (a computer system, e.g., a website, or network) by manipulating code.
  8. 8
    To gain unauthorized access to a computer or online account belonging to (a person or organisation).
  9. 9
    To cheat by using unauthorized modifications.
  10. 10
    To strike an opponent with one's hockey stick, typically on the leg but occasionally and more seriously on the back, arm, head, etc.
  11. 11
    To make a flailing attempt to hit the puck with a hockey stick.
  12. 12
    To swing at a pitched ball.
  13. 13
    To kick (a player) on the shins.
  14. 14
    To strike in a frantic movement.
  15. 15
    To strike lightly as part of tapotement massage.

Etymology

From Middle English hacken, hakken, from Old English *haccian (“to hack”), from Proto-West Germanic *hakkōn, from Proto-Germanic *hakkōną (“to chop; hoe; hew”), from Proto-Indo-European *keg-, *keng- (“to be sharp; peg; hook; handle”). Cognate with Saterland Frisian häkje (“to hack”), West Frisian hakje (“to hack”), Dutch hakken (“to chop up; hack”), German hacken (“to chop; hack; hoe”), Danish hakke (“to chop”), Swedish hacka (“to hack; chop”), French hacher (“to chop”). The computer senses date back to at least 1955 when it initially referred to creative problem solving. By 1963, the negative connotations of “black hat” or malicious hacking had become associated with telephone hacking (cf. phreaking).

This word in other languages

Common misspellings

Also misspelled as: ahck,hacck,hackk,hakc,hcak,hhack

Misspelling Pattern Breakdown

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

ahck2hacck1hackk1hakc2hcak2hhack1
Edit distance from "hack"

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 "hack"?
"hack" is spelled H-A-C-K. The IPA pronunciation is /hæk/.
What does "hack" mean?
As a verb, "hack" means: To chop or cut down in a rough manner.
What words are commonly confused with "hack"?
"hack" is commonly confused with "hc", "HK", "has". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "hack"?
The IPA (International Phonetic Alphabet) transcription for "hack" is /hæk/. 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 "hack"?
From Middle English hacken, hakken, from Old English *haccian (“to hack”), from Proto-West Germanic *hakkōn, from Proto-Germanic *hakkōną (“to chop; hoe; hew”), from Proto-Indo-European *keg-, *keng- (“to be sharp; peg; hook; handle”). Cognate wit... 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 “hack”

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

  • The one correct English spelling is H-A-C-K - every other letter order is a misspelling in standard orthography.
  • Say it as /hæk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “hc” - see the side-by-side comparison. hack vs hc
  • 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