crazy as a bedbug

adj

"crazy-as-a-bedbug" is a 14-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
17
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Utterly mad; insane.

Corpus desk

Index EN-crazy-as-a-bedbug · crazy as a bedbug · English

crazy as a bedbug · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 17 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" 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 crazy as a bedbug
PropertyValue
Headwordcrazy as a bedbug
LanguageEnglish
Part of speechAdjective
Letters17
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “crazy as a bedbug” in English

crazy as a bedbugsits 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

crazy as a bedbug is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Utterly mad; insane.".

The misspelling generator found no plausible variants for crazy as a bedbug, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is crazy as a bedbug, spelled C-R-A-Z-Y- -A-S- -A- -B-E-D-B-U-G.

Definition

  1. 1
    Utterly mad; insane.

Recorded use

Wiktionary example

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

  1. The old lady may be as crazy as a bedbug, but she could be right about something moving in after dark.

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 "crazy as a bedbug"?
"crazy as a bedbug" is spelled C-R-A-Z-Y- -A-S- -A- -B-E-D-B-U-G.
What does "crazy as a bedbug" mean?
As an adjective, "crazy as a bedbug" means: Utterly mad; insane.
What language does "crazy as a bedbug" come from?
"crazy as a bedbug" 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.

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

Source: FrequencyWords open word-frequency list