mainstreams; mainstreamed; mainstreaming
1
chiefly US
: to place (a child with special educational needs) in regular school classes
2
: to cause (someone or something) to be included in or accepted by the group that includes most people
The poor should be mainstreamed into the private health-insurance system.
Ideas that were once controversial have now become mainstreamed.
Cite this Entry
“Mainstream.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/mainstream. Accessed 20 Jun. 2026.
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