like a blue-arsed fly

adj

"like-a-blue-arsed-fly" is a 17-letter English headword indexed on PlainSpell.

The verdict

“like a blue-arsed fly” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
21
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To be frantic, harried or restless

Corpus desk

Index EN-like-a-blue-arsed-fly · like a blue-arsed fly · English

like a blue-arsed fly · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 21 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" 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 like a blue-arsed fly
PropertyValue
Headwordlike a blue-arsed fly
LanguageEnglish
Part of speechAdjective
Letters21
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “like a blue-arsed fly” in English

like a blue-arsed flysits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

like a blue-arsed fly is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "To be frantic, harried or restless".

No misspelling variants are generated for like a blue-arsed fly in our index, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Refers to the frenetic flight of a bluebottle. The correct English form is like a blue-arsed fly, spelled L-I-K-E- -A- -B-L-U-E---A-R-S-E-D- -F-L-Y.

Definition

  1. 1
    To be frantic, harried or restless

Recorded use

Wiktionary example

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

  1. He was running around like a blue-arsed fly.

Etymology

Refers to the frenetic flight of a bluebottle.

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 "like a blue-arsed fly"?
"like a blue-arsed fly" is spelled L-I-K-E- -A- -B-L-U-E---A-R-S-E-D- -F-L-Y.
What does "like a blue-arsed fly" mean?
As an adjective, "like a blue-arsed fly" means: To be frantic, harried or restless
What is the origin of the word "like a blue-arsed fly"?
Refers to the frenetic flight of a bluebottle. 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