slacks

noun

"slacks" is a 6-letter English headword indexed on PlainSpell.

The verdict

“slacks” is a moderately-common English word, ranked #33,420 in English word frequency and used as a noun.

#33,420
frequency rank, English
6
letters
10
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Semi-formal trousers which are less formal than those that are part of a suit but nowadays are considered suitable casualwear in most offices. (Takes a plural verb even when referring to a single p...

Visual similarity to commonly confused words

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

slacks vs sucks
67% similar
slacks vs stack
67% similar
slacks vs socks
67% similar

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

Key facts for slacks
PropertyValue
Headwordslacks
LanguageEnglish
Part of speechNoun
Letters6
Frequency rank#33,420
Misspellings tracked10
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “slacks” 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). slacks 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 slacks is 6 letters long, classified as a noun. Corpus data places it at rank #33,420 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Semi-formal trousers which are less formal than those that are part of a suit but nowadays are considered suitable casualwear in most offices. (Takes a plural verb even when referring to a single p...".

Our generated misspelling index lists 10 likely wrong-spelling variants for slacks, with forms such as "lsacks", "salcks", and "slaccks". 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, "sucks", "stack", "socks", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No explicit etymology string is stored for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is slacks, spelled S-L-A-C-K-S.

Definition

  1. 1
    Semi-formal trousers which are less formal than those that are part of a suit but nowadays are considered suitable casualwear in most offices. (Takes a plural verb even when referring to a single pair; may be referred to as a pair of slacks.)

This word in other languages

Common misspellings

Also misspelled as: lsacks,salcks,slaccks,slackks,slackss,slacsk,slakcs,slcaks,sllacks,sslacks

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of slacks - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

lsacks2salcks2slaccks1slackks1slackss1slacsk2slakcs2slcaks2
Edit distance from "slacks"

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 "slacks"?
"slacks" is spelled S-L-A-C-K-S.
What does "slacks" mean?
As a noun, "slacks" means: Semi-formal trousers which are less formal than those that are part of a suit but nowadays are considered suitable casualwear in most offices. (Takes a plural verb even when referring to a single p...
What words are commonly confused with "slacks"?
"slacks" is commonly confused with "sucks", "stack", "socks". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "slacks" come from?
"slacks" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “slacks”

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

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