mainline
Americanverb (used without object)
-
to inject a narcotic, especially heroin, directly into a vein.
-
to use or enjoy something without restriction.
to mainline on TV movies.
verb (used with object)
-
to inject (a narcotic, especially heroin) directly into a vein.
-
to use, enjoy, or imbibe (something) without restriction.
mainlining coffee all day long.
adjective
Etymology
Origin of mainline
1935–40, v., adj. use of main line
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.
It is the main station for all services on the west coast mainline to England and also operates services throughout central Scotland.
From BBC
The genius of hit songs, beyond technical artistry—and the vagaries of timing—is the ability to mainline emotion.
"There is still no commitment to electrifying the north Wales or south Wales mainlines, something businesses consistently tell us is essential to unlocking real economic growth across the whole country."
From BBC
The train operator LNER, which runs the east coast mainline, has extended its advice to passengers not to travel between Edinburgh and Aberdeen as they "cannot guarantee" trains will operate until Friday at the earliest.
From BBC
Last year, we were mainlining magnesium, consuming creatine - a muscle boosting supplement that became mainstream, and we turned to AI chatbots for help with anything from a personalised training regime to a daily meal plan.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.