harmlessly

/ˈhɑːmləsli/

//ˈhɑːmləsli// adv

"harmlessly" is a 10-letter English headword indexed on PlainSpell.

The verdict

“harmlessly” is uncommon English (frequency #57,419 among 2,646 “H” headwords), classed as an adverb. The kind of spelling people second-guess.

#57,419
frequency rank, English
2,646
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In a harmless manner.

Corpus desk

Index EN-harmlessly · harmlessly · English

harmlessly · rank #57,419 · 0 variants · 0 confusables

  • FREQ-RARE #57,419
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH Hasegawa

Nearest frequency peer: Hasegawa (+1 rank slots)

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.

Long-tail ranks near “harmlessly”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “harmlessly” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for harmlessly
PropertyValue
Headwordharmlessly
LanguageEnglish
Part of speechAdverb
IPA/ˈhɑːmləsli/
Letters10
Frequency rank#57,419
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “harmlessly” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).harmlesslyfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Hasegawa” (#57,420), “hairdryer” (#57,417), “hawkish” (#57,421). Among 2,646 “H” headwords, “harmlessly” is #57,419. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

harmlessly is uncommon English at frequency #57,419 among 2,646 “H” headwords, classed as anadverb, transcribed /ˈhɑːmləsli/. Rarity is why readers land here mid-draft. Gloss: "In a harmless manner.".

No misspelling variants are generated for harmlessly in our index, suggesting the orthography follows predictable English patterns. 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 + -ly. The correct English form is harmlessly, spelled H-A-R-M-L-E-S-S-L-Y.

Definition

  1. 1
    In a harmless manner.

Recorded use

Wiktionary example

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

  1. This does not take into account the tens of thousands of New Yorkers who are harmlessly and charmingly insane in a peculiarly Manhattanite manner.

Etymology

From harmless + -ly.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "harmlessly"?
"harmlessly" is spelled H-A-R-M-L-E-S-S-L-Y. The IPA pronunciation is /ˈhɑːmləsli/.
What does "harmlessly" mean?
As an adverb, "harmlessly" means: In a harmless manner.
How do you pronounce "harmlessly"?
The IPA (International Phonetic Alphabet) transcription for "harmlessly" is /ˈhɑːmləsli/. 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 "harmlessly"?
From harmless + -ly. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "harmlessly", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list