noun
insides
ihn-SYDZ
noun
1
The internal organs of the body, especially the stomach and intestines.
"The roller coaster made my insides churn."
How to Use Insides
Learner’s notesIn plain EnglishAn informal word for your internal organs, especially your stomach and gut.
When to use it
Casual/informal — "internal organs" is the neutral term for formal writing.
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The roller coaster made my _____ churn.