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  • hm
    hm
    hectometer; hectometers.
  • h'm
    h'm
    interjection
    (used typically to express thoughtful absorption, hesitation, doubt, or perplexity.)
  • HM
    HM
    abbreviation
    Hispanic male.
  • H.M.
    H.M.
    abbreviation
    Her Majesty.

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

Vocabulary lists containing hm

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.

HM Revenue and Customs has announced a 10-year, £175m deal with the British tech firm Quantexa to provide AI-powered technology to help improve its performance.

From BBC • May 14, 2026

The 34-year-old was arrested at HM Naval Base Clyde near Helensburgh, Argyll and Bute, at about 17:00 on Thursday.

From BBC • Mar. 23, 2026

In a statement, HM Coastguard said the pilot was the only person on board and had been "able to self-recover to the beach and was checked over by the ambulance service".

From BBC • Feb. 28, 2026

Four crew members were rescued by lifeboat and HM Coastguard said the vessel remained aground and the responsibility of its owner.

From BBC • Feb. 17, 2026

“Richard Burton,” answered my mother, “late quarter-master of HM frigate ‘Boreas’.”

From Ben Burton Born and Bred at Sea by Webb, Archibald

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