Word: mainstreamish
Part of speech: Adjective
Syllables: main
strea
mish
Definition: Somewhat mainstream.
Morphemes:
Affix: main
Language: en
PoS: Adjective
Meaning: Full, sheer, undivided.
Affix: stream
Language: en
PoS: Noun
Meaning: A division of a school year by perceived ability.
Affix: -ish
Language: en
PoS: Suffix
Meaning: Somewhat, rather.