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hm

1 American  

  1. hectometer; hectometers.

h'm 2 American  
[hmm] / hmm /
Or hmm

interjection

  1. (used typically to express thoughtful absorption, hesitation, doubt, or perplexity.)

HM 3 American  

abbreviation

  1. Hispanic male.

H.M. 4 American  

abbreviation

  1. Her Majesty.

  2. His Majesty.

HM 1 British  

abbreviation

  1. His ( or Her) Majesty

  2. heavy metal (sense 1)

  3. headmaster; headmistress

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
hm 2 British  

symbol

  1. hectometre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
hm 3 British  

abbreviation

  1. Heard and McDonald Islands

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
h'm 4 British  
/ hmmm /

interjection

  1. used to indicate hesitation, doubt, assent, pleasure, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Some self-reflection of, hm, I may be guilty of some of these things toward her as well.”

From Los Angeles Times • Nov. 6, 2025

And the IRS said because he had now an advocate, the agency could no longer speak with hm directly.

From Washington Times • Jan. 1, 2023

He had lost people close to hm in the tragic Cal Poly football team plane crash.

From Fox News • Dec. 28, 2021

I didn't know hm as the contemporary comedian of my youth.

From Salon • Jul. 4, 2021

"Katniss, I know you've had a shock, but I've got to ask. The moment when you pulled out those berries. What was going on in your mind . . . hm?" he says.

From "The Hunger Games" by Suzanne Collins

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.