Meaning of “chug” - Learner’s Dictionary


verb uk us /tʃʌɡ/ (present participle chugging, past tense and past participle chugged)
chug across/along/up, etc

If a vehicle chugs somewhere, it moves slowly, making a low, regular noise with its engine:

A boat was chugging across the lake.

(Definition of “chug” from the Cambridge Learner’s Dictionary © Cambridge University Press)