hmm

/hm̩/

//hm̩// intj

By · According to Wiktionary data (CC BY-SA) ·

"hmm" is a 3-letter English headword indexed on PlainSpell.

The verdict

“hmm” sits in 20 confusable pairs (corpus #5,972) as an interjection. The look-alike neighbours are the real trap.

#5,972
frequency rank, English
2,646
“H” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Indicates thinking or pondering.

Corpus desk

Index EN-hmm · hmm · English

hmm · rank #5,972 · 0 variants · 20 confusables

  • FREQ-COMMON #5,972
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH harmony

Nearest frequency peer: harmony (-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.

Frequency neighbours of confusable “hmm”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “hmm” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

hmm vs ho
33% similar
hmm vs HR
0% similar
hmm vs HP
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for hmm
PropertyValue
Headwordhmm
LanguageEnglish
Part of speechInterjection
IPA/hm̩/
Letters3
Frequency rank#5,972
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “hmm”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).hmmlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “harmony” (#5,971), “humble” (#5,973), “happily” (#5,970). Among 2,646 “H” headwords, “hmm” is #5,972. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for hmm is neighbouring look-alikes ("ho", "HR", …), not just typos; it is aninterjection pronounced /hm̩/. Frequency #5,972 among 2,646 “H” headwords. 3 recorded senses keep meaning in play.

Zero misspellings are on record for hmm in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "ho", "HR", "HP", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: See hum. The correct English form is hmm, spelled H-M-M.

Definition

  1. 1
    Indicates thinking or pondering.
  2. 2
    Indicates surprise or cluelessness; especially a response by a person who is questioned or addressed when not expecting it.
  3. 3
    A demand for an answer to a question.

Recorded use

Wiktionary examples

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

  1. Hmm... that's an interesting idea.
  2. Hmm... I just can't decide between the two.

Etymology

See hum.

Synonyms

hnn

This word in other languages

hmm(Español)hum(Français)hm(Deutsch)

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 "hmm"?
"hmm" is spelled H-M-M. The IPA pronunciation is /hm̩/.
What does "hmm" mean?
As an interjection, "hmm" means: Indicates thinking or pondering.
What words are commonly confused with "hmm"?
"hmm" is commonly confused with "ho", "HR", "HP". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "hmm"?
The IPA (International Phonetic Alphabet) transcription for "hmm" is /hm̩/. 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 "hmm"?
See hum. 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 "hmm", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

est#5,962ace#5,930thy#6,014cam#6,032

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

Source: FrequencyWords open word-frequency list