thrum
C2Pronunciation
UK
- /θrˈʌm/
US
- /θrʌm/not-comparableadjective
- /θrʌm/obsoleteslangnoun
- /θrʌm/noun
- /θrʌm/verb
Description
- vibrate rhythmically
- hum
- pulse with energy
Imagine standing near a giant beehive: the low, steady vibration in the air is a thrum. That is what "thrum" usually describes: a deep, rhythmic sound or vibration. It can be literal, like the thrum of an engine, or figurative, describing a feeling that seems to pulse through a place. A city might thrum with life, and your heart might thrum with excitement.
The word suggests a subtle but powerful energy, not a loud crash but a constant, underlying vibration. Think of the strings of a guitar or the thrum of anticipation before a big event. It's often used to create atmosphere in literature, hinting at hidden power or emotion. For instance, a writer might describe the "thrumming of the distant sea" to evoke a sense of restless, ongoing movement.
"Thrum" is a fascinating word that evokes a sense of deep, rhythmic vibration. It can describe an actual physical pulsing—like the thrum of a motorboat engine cutting through water, or the thrum of bass in music that you feel in your chest. "The old washing machine thrummed and rattled as it spun."
But "thrum" isn't limited to mechanical sounds. It often describes something more subtle—an energy that seems to permeate a space or feeling. A city might be described as thrumming with activity, meaning it's alive and buzzing with people and events. Your pulse might thrum in your ears when you are nervous or excited. A forest can thrum with the hidden life of its creatures.
There is also an older, less common meaning. In textile language, a thrum can mean a short piece or end of thread, especially a rough, leftover strand. That sense appears much less often today, but you may still meet it in historical writing or in discussions of weaving.
The sound-related sense is often used poetically because it suggests more than simple noise; it implies underlying power, anticipation, or mystery. Think about the way a spider web vibrates when an insect lands on it, or the way music seems to pulse through a crowded room. Whether you're describing a mechanical vibration, a lively atmosphere, or a powerful emotion, "thrum" suggests deep, steady energy moving within and around us.
Examples
- 1
Engine sound
The engine thrummed softly under the floor.
- 2
Power lines
Late at night, the power lines seemed to thrum in the wind.
- 3
Busy streets
By noon, the market streets were thrumming with music and conversation.
Pattern
thrum with + sound/activity/energy
be full of steady sound, activity, or energy
- 4
Traffic noise
A low thrum of traffic came through the hotel window.
- 5
Physical sensation
Stress made a dull pain thrum behind his eyes.
Forms and spellings
4 forms open this card.
Main spelling
- thrumverbnoun
Forms
- thrumming-ing formverbnoun
- thrumsverbnoun
- thrummedpast tenseverbnoun