to chug down
- phrasal verb
- /tʃʌg daʊn/
- The old steamboat chugged down the river, leaving a trail of smoke behind it.
- the bus chugged down
Examples
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At dawn, the tourist train chugs down the mountain pass with a gentle, rhythmic clatter.
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We stood by the highway watching the ancient truck chug down the road.
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Look at that old car chugging down the street!
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The train chugged down the tracks.
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The old train chugged down the tracks, making its familiar rhythmic sound.
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As the engine struggled, it began to chug down the hill slowly.
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We watched the boat chug down the river, leaving a wake behind it.
Synonyms
To move while making slow, dull engine sounds
Antonyms
How Fast
Surface Forms
Morphology
The verb 'chug' already encodes slow, rhythmic movement with sound, and the particle 'down' simply adds directional/continuative movement (as in 'down the street'). The combined meaning is directly compositional and follows a common English verb + particle pattern, so a B1 learner who knows both constituents would be able to infer the MWE's meaning.
Etymology
The phrasal verb chug down comes from the slow, regular chug sound of old steam engines and boats as they moved down a track or river. So, chug down now means 'to move slowly and steadily while making a regular sound'.