Thesaurus.com
Dictionary.com
Definitions

mainline

[meyn-lahyn, -lahyn] / ˈmeɪnˌlaɪn, -ˈlaɪn /


VERB
inject
Synonyms
Antonyms


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.

Located above a busy mainline railway station, MSG is slap bang in the beating heart of tourist and commercial Manhattan.

From Barron's • Jul. 1, 2026

That, combined with the demographics of the mainline, makes some success seem inevitable.

From The Wall Street Journal • Jun. 25, 2026

Technology will be rolled out across 1,400 trains on mainline nationalised services allowing them to connect to low-earth satellites, instead of mobile networks.

From BBC • May 30, 2026

“We’ve made it kind of core to who Allegiant is to seek out opportunities that aren’t typically served by mainline carriers,” said Drew Wells, the airline’s chief commercial officer.

From The Wall Street Journal • May 17, 2026

Of a student body of 5,700, about 400 participate in one of three evangelical student groups—more than the number of active mainline Protestants, the campus chaplain says.

From "Class Matters" by The New York Times




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "mainline" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com