muck in

verb

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

The verdict

“muck in” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To join in with work.

Corpus desk

Index EN-muck-in · muck in · English

muck in · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for muck in
PropertyValue
Headwordmuck in
LanguageEnglish
Part of speechVerb
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “muck in” in English

muck infalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

muck in is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for muck in, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is muck in, spelled M-U-C-K- -I-N.

Definition

  1. 1
    To join in with work.
  2. 2
    To share in.

Recorded use

Wiktionary example

These source excerpts show how muck in appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. If we all muck in, we can get this room cleaned in next to no time.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "muck in"?
"muck in" is spelled M-U-C-K- -I-N.
What does "muck in" mean?
As a verb, "muck in" means: To join in with work.
What language does "muck in" come from?
"muck in" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list