at arm's length

prep_phrase

"at-arm-s-length" is a 12-letter English headword indexed on PlainSpell.

The verdict

“at arm's length” is uncommon English (outside the top frequency list), classed as a prep_phrase. 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) - At a distance, away from one's body.

Corpus desk

Index EN-at-arm-s-length · at arm's length · English

at arm's length · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" 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 at arm's length
PropertyValue
Headwordat arm's length
LanguageEnglish
Part of speechPrep_phrase
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “at arm's length” in English

at arm's lengthsits 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

at arm's length is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for at arm's length in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is at arm's length, spelled A-T- -A-R-M-'-S- -L-E-N-G-T-H.

Definition

  1. 1
    At a distance, away from one's body.
  2. 2
    Avoiding a close relationship.

Recorded use

Wiktionary examples

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

  1. Iceland were defiant, as they always are, rigid in defence and lacking in attacking ambition, willing to simply keep England at arm's length and maybe land a counter-punch.
  2. She's been keeping me at arm's length all the time. She doesn't want to get involved.

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 "at arm's length"?
"at arm's length" is spelled A-T- -A-R-M-'-S- -L-E-N-G-T-H.
What does "at arm's length" mean?
As a prep_phrase, "at arm's length" means: At a distance, away from one's body.
What language does "at arm's length" come from?
"at arm's length" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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