adj
mainstream
mayn-streem
adj
1
Widely accepted as normal or conventional, rather than niche or fringe.
"The band went from underground to mainstream success."
"Mainstream media covered the story within hours."
verb
1
To bring something into general, widespread use or acceptance.
"Streaming services helped mainstream binge-watching."
How to Use Mainstream
Learner’s notesIn plain EnglishThe ideas, tastes, or media accepted by most people, as opposed to niche or alternative ones.
Common pairings
mainstream media
go mainstream
mainstream culture
Word Forms
more mainstream comparative, mainstreamed past tense, mainstreams plural, mainstreams singular, most mainstream superlative
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The band went from underground to _____ success.
Etymology
From main + stream.