hum
Hum (verb) means to sing a tune with your lips closed, without forming words. Example: “She hummed a lullaby as she rocked the baby to sleep.”
How to use hum
Learner’s notesIn plain EnglishA low continuous sound, or making that sound — either by singing without words or from a machine, insect, etc.
Word forms
hummed past tense, hums plural, hums singular
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The _____ of the air conditioner made it hard to sleep.
Etymology
From Middle English hummen, an imitative word describing the buzzing or droning sound itself.
Synonyms
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Related words
Rhymes for hum
See all rhymes for hum →Frequently asked questions
What does “hum” mean?
The word “hum” means to sing a tune with your lips closed, without forming words. In plain terms, a low continuous sound, or making that sound — either by singing without words or from a machine, insect, etc.
How do you pronounce “hum”?
“Hum” is pronounced HUHM (/ˈhʌm/ in IPA).
How do you use “hum” in a sentence?
Here is “hum” used in a sentence: “She hummed a lullaby as she rocked the baby to sleep.”
What is another word for “hum”?
Words with a similar meaning to “hum” include bombinate, buzz, drone, thrum, whirr and whizz.
What is the opposite of “hum”?
The opposite of “hum” — its antonyms — is snap.
What part of speech is “hum”?
Depending on how it is used, “hum” can be a verb and a noun.
Where does the word “hum” come from?
The word “hum” comes from Middle English. From Middle English hummen, an imitative word describing the buzzing or droning sound itself.
Is “hum” a common word?
“Hum” is an uncommon word in modern English.
What is the difference between humming and singing?
Humming means producing a tune with the lips closed and no words formed, while singing typically involves an open mouth and actual lyrics or vocalized sounds. Humming is often used as a quieter, more private way of enjoying a melody.
What does it mean when an engine or appliance 'hums'?
In this sense, hum describes a low, steady, continuous sound, such as the noise made by a running engine, refrigerator, or electrical device. The same word works as both a noun for the sound itself and a verb for producing it.
Is humming considered a form of singing?
Humming is related to singing in that it involves producing a musical tune vocally, but it is distinct because the lips stay closed and no words are formed, making it more of a quiet accompaniment than full singing.
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