passive smoking

US: /ˈpæsɪv ˈsmoʊkɪŋ/

WordReference Random House Learner's Dictionary of American English © 2025

pas•sive smok•ing /ˈpæsɪv ˈsmoʊkɪŋ/  n. [uncountable]

1. the inhaling of the cigarette, cigar, or pipe smoke of others.

WordReference Random House Unabridged Dictionary of American English © 2025

pas′sive smok′ing, 

1. the inhaling of cigarette, cigar, and pipe smoke of others, esp. by a nonsmoker in an enclosed area.

• 1970–75

Collins Concise English Dictionary © HarperCollins Publishers::

passive smoking noun

1. the inhalation of smoke from other people's cigarettes by a nonsmoker

passive smoker noun