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Definition of lung-busting adjective from the Oxford Advanced Learner's Dictionary

lung-busting

adjective
 
/ˈlʌŋ bʌstɪŋ/
 
/ˈlʌŋ bʌstɪŋ/
[only before noun]
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  1. needing so much effort and energy that you have difficulty breathing synonym exhausting
    • a lung-busting climb/hill
    • She won a bronze medal for her lung-busting efforts in the 1 500 metres final.
    More Like This Descriptive compound adjectives with parts of the bodyDescriptive compound adjectives with parts of the body
aspiration
noun
 
 
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