bug-a-boo

/ˈbʌɡəbuː/

//ˈbʌɡəbuː// noun

"bug-a-boo" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A mythical, nocturnal creature; a hobgoblin.

Corpus desk

Index EN-bug-a-boo · bug-a-boo · English

bug-a-boo · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 bug-a-boo
PropertyValue
Headwordbug-a-boo
LanguageEnglish
Part of speechNoun
IPA/ˈbʌɡəbuː/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “bug-a-boo” in English

bug-a-boofalls 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

bug-a-boo is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈbʌɡəbuː/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for bug-a-boo in our index, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: An earlier form was seen in buggybow, probably an alteration of bugbear (see bug), but connected by Chapman ("Dictionary of American Slang") with Bugibu, demon in the Old French poem Aliscans from 1141, which is perhaps of Celtic origin as a pagan god (comp… The correct English form is bug-a-boo, spelled B-U-G---A---B-O-O.

Definition

  1. 1
    A mythical, nocturnal creature; a hobgoblin.
  2. 2
    Any imagined fear or threat, or a fear presumed larger than it really is.

Recorded use

Wiktionary examples

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

  1. The German ubu, as well as the French bibou, is also used for bug-a-boo, hobgoblin, or any other fantastical, terrific nocturnal object.
  2. “Oh! Of all the intolerable bugaboos. Gentlemen, this is a family discu-- Oh!”

Etymology

An earlier form was seen in buggybow, probably an alteration of bugbear (see bug), but connected by Chapman ("Dictionary of American Slang") with Bugibu, demon in the Old French poem Aliscans from 1141, which is perhaps of Celtic origin as a pagan god (compare Cornish buccaboo (“devil”), from bucca (“bogle, goblin”)). Alternatively, bug + a + boo. For a similar semantic development from a heathen god to demon to monster, compare etymology of French lutin.

Synonyms

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 "bug-a-boo"?
"bug-a-boo" is spelled B-U-G---A---B-O-O. The IPA pronunciation is /ˈbʌɡəbuː/.
What does "bug-a-boo" mean?
As a noun, "bug-a-boo" means: A mythical, nocturnal creature; a hobgoblin.
How do you pronounce "bug-a-boo"?
The IPA (International Phonetic Alphabet) transcription for "bug-a-boo" is /ˈbʌɡəbuː/. 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 "bug-a-boo"?
An earlier form was seen in buggybow, probably an alteration of bugbear (see bug), but connected by Chapman ("Dictionary of American Slang") with Bugibu, demon in the Old French poem Aliscans from 1141, which is perhaps of Celtic origin as a pagan... 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