harmlessness

noun

"harmlessness" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The characteristic of being harmless.

Corpus desk

Index EN-harmlessness · harmlessness · English

harmlessness · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" 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 harmlessness
PropertyValue
Headwordharmlessness
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “harmlessness” in English

harmlessnessfalls 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

harmlessness is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The characteristic of being harmless.".

We couldn't generate a plausible misspelling set for harmlessness, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From harmless + -ness. The correct English form is harmlessness, spelled H-A-R-M-L-E-S-S-N-E-S-S.

Definition

  1. 1
    The characteristic of being harmless.

Recorded use

Wiktionary example

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

  1. Already, at this very early date, the ritualists were moving towards the ideal of ahimsa ("harmlessness") that would become the indispensable virtue of the Indian Axial Age.

Etymology

From harmless + -ness.

Synonyms

Antonyms

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 "harmlessness"?
"harmlessness" is spelled H-A-R-M-L-E-S-S-N-E-S-S.
What does "harmlessness" mean?
As a noun, "harmlessness" means: The characteristic of being harmless.
What is the origin of the word "harmlessness"?
From harmless + -ness. 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