To smoke continually, as by lighting the next cigarette from the previous one.(verb-intransitive)
To smoke (cigarettes, for example) in continuing succession.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "chain-smoke" in a sentence
"Bill and Melinda are also characters who've lived long, relatively healthy lives, but still chain-smoke cigarettes."
"I'd head straight for the vast heated greenhouses, where I'd pity my adolescent plight, chain-smoke, and glory in the insane vegetation that burgeoned there."
"I want to sit in bed and chain-smoke while high on half a Vicodin and watch a couple of documentaries like I used to do on a Friday night when the mood struck."