monkey business

/ˈmʌŋkɪ ˌbɪznɪs/

//ˈmʌŋkɪ ˌbɪznɪs// noun

"monkey-business" is a 14-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Activity that is mischievous, stupid, or time-wasting.

Corpus desk

Index EN-monkey-business · monkey business · English

monkey business · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 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 monkey business
PropertyValue
Headwordmonkey business
LanguageEnglish
Part of speechNoun
IPA/ˈmʌŋkɪ ˌbɪznɪs/
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “monkey business” in English

monkey businessfalls 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

monkey business is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈmʌŋkɪ ˌbɪznɪs/. Rarity is why readers land here mid-draft. 2 senses are on record.

monkey business doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From monkey + business, probably a calque of Bengali বাঁদরামি (bãdrami, “mischief”, literally “monkey-behaviour”), from বাঁদর (bãdor, “monkey”) + -আমি (-ami, suffix forming nouns referring to the properties, qualities, or states of the words to which it is … The correct English form is monkey business, spelled M-O-N-K-E-Y- -B-U-S-I-N-E-S-S.

Definition

  1. 1
    Activity that is mischievous, stupid, or time-wasting.
  2. 2
    Activity that is morally questionable or even mildly illegal.

Recorded use

Wiktionary examples

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

  1. Stop all this monkey business and do your homework!
  2. I’m going to take off the cuffs, Slim, and off you, Jerry. But don’t try any monkey business. When Peters answers the door, you tell him everything’s O. K., and that you’re the committee, see? Once the door’s open, we’ll do the rest.

Etymology

From monkey + business, probably a calque of Bengali বাঁদরামি (bãdrami, “mischief”, literally “monkey-behaviour”), from বাঁদর (bãdor, “monkey”) + -আমি (-ami, suffix forming nouns referring to the properties, qualities, or states of the words to which it is attached), from the perception that monkeys behave mischievously.

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 "monkey business"?
"monkey business" is spelled M-O-N-K-E-Y- -B-U-S-I-N-E-S-S. The IPA pronunciation is /ˈmʌŋkɪ ˌbɪznɪs/.
What does "monkey business" mean?
As a noun, "monkey business" means: Activity that is mischievous, stupid, or time-wasting.
How do you pronounce "monkey business"?
The IPA (International Phonetic Alphabet) transcription for "monkey business" is /ˈmʌŋkɪ ˌbɪznɪs/. 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 "monkey business"?
From monkey + business, probably a calque of Bengali বাঁদরামি (bãdrami, “mischief”, literally “monkey-behaviour”), from বাঁদর (bãdor, “monkey”) + -আমি (-ami, suffix forming nouns referring to the properties, qualities, or states of the words to wh... 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.

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

Source: FrequencyWords open word-frequency list