View synonyms for

mainline

[ meyn-lahyn, -lahyn ]

Phonetic (Standard)IPA

verb (used without object)

Slang.

mainlined, mainlining.

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)

Slang.

mainlined, mainlining.

to inject (a narcotic, especially heroin) directly into a vein.
to use, enjoy, or imbibe (something) without restriction:
mainlining coffee all day long.

adjective

having a principal, established, or widely accepted position; major; mainstream:
the membership of mainline churches.

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Word History and Origins

Origin of mainline¹

1935–40, Americanism; v., adj. use of main line

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Example Sentences

Examples have not been reviewed.

He mainlines all of his romantic entanglements as if they were the antidote to his unresolved traumas.

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Nieman grew up in the mainline Presbyterian church, and still belongs to a congregation that flies the Pride flag.

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The first minister has approved plans to build a new mainline railway station in eastern Cardiff.

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Estonia and Latvia have also come under criticism for focusing on putting up the rail terminals first before they build the mainline.

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As it's the first mainline CoD game to be released since Microsoft completed its takeover of maker Activision Blizzard in the gaming industry's biggest ever deal, there's naturally a lot of focus on this approach.

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Related Words

mainland Japan main line

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