mainline
verb (used without object)
to inject a narcotic, especially heroin, directly into a vein.
mainlining
-
present participleof mainline.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The ubiquity of holiday songs also represents a rare monocultural music moment—even though listeners are spread across multiple streaming services and social-media platforms, many of them are mainlining the same tunes.
From The Wall Street Journal ● Dec. 14, 2025
In some ways, I feel like a conspiracy junkie who has relapsed, mainlining paranoia and dread.
From Salon ● Jul. 17, 2024
VERDICT: Watching the 2021 Jets is like mainlining tryptophan.
From New York Times ● Nov. 21, 2021
‘Ready Player One’ feels like mainlining the VH1 show ‘I Love the ’80s.’
From Washington Post ● Jul. 14, 2021
Youths, I am told, speak of “hopium” and “copium,” but we need a word that incorporates the never-ending mainlining of information as well as the positive or negative cast of that information.
From Slate ● Nov. 6, 2020
