hmm

hmm — exclamation

1. A spoken sound used in conversation to show that you are thinking carefully abou

1.exclamationA1
Definition

A spoken sound used in conversation to show that you are thinking carefully about something, feeling unsure, or pausing before giving a reply.

Example

Ravi scanned the menu and said, 'Hmm, I cannot pick between pasta and salad.'

hesitation before a decision — common use of 'hmm'

'Hmm, that is a good question,' replied Dr. Okonkwo as she considered the student's idea.

Synonyms
  • uh

    a similar hesitation sound, but 'uh' sounds less thoughtful and more like a simple pause

  • well

    used at the start of a sentence to buy time, but 'well' is a real word with its own meaning, not a pure hesitation sound

Usage Note

Hmm has no fixed spelling. Writers also use 'hm', 'hmmm', or 'hmm...' depending on how long the pause sounds. Longer spellings (e.g. 'hmmmm') suggest deeper thought or stronger doubt. This word appears almost exclusively in informal conversation and in written dialogue — avoid it in formal academic or business writing.

Common Mistakes

Hmm, I am not agree.
Hmm, I do not agree.
English requires 'do/does' support for negation; 'hmm' does not change sentence grammar.

Synonym discussion

Sense: exclamation/1

All four items are spoken fillers that signal a pause, but they differ in tone and function. 'Hmm' suggests active thought or doubt — the speaker is genuinely weighing something. 'Uh' (or 'uhh') is a neutral pause-filler, often unconscious, that simply buys time while the speaker formulates the next phrase. 'Um' (or 'umm') is similar to 'uh' but slightly more deliberate, common in prepared speech and interviews. 'Well' is a real word used as a discourse marker; it signals that the speaker is about to offer an opinion or counterargument. Example: 'Hmm, I will have to think about that.' vs. 'Well, I think you are right.' The first shows uncertainty; the second introduces a viewpoint.

uh ↗well ↗um ↗

Etymology

English

Hmm is an onomatopoeic word — it simply writes down the humming sound humans naturally make when thinking or hesitating. English writers have used 'hmm' and similar spellings since the early 1800s to represent this sound in dialogue. It is not borrowed from any other language; similar thinking sounds exist in most languages around the world.