inside of

Idioms  

1. Within, in less than the whole of, referring especially to a period of time. For example, They promised to return it inside of a month. Although some authorities believe inside alone conveys the same meaning, the full term is widely used. [Early 1800s]

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Example Sentences

They found that phosphatidylserine, a fatty molecule normally located on the inside of a neuron's membrane, had shifted to the outer surface.

From Science Daily • Apr. 11, 2026

"But the kid inside of you wants to break out and just hoot and holler."

From Barron's • Apr. 4, 2026

“The benefit of a Roth is that you get tax-deferred growth on your investments inside of the account and potentially tax-free withdrawals from it,” Hopkins said.

From MarketWatch • Mar. 27, 2026

“If you attack the Jewish community here,” Wolf said, “you are attacking the city of Liège, because we are completely inside of it.”

From The Wall Street Journal • Mar. 27, 2026

I felt it now, all inside of me, as if just saying my name out loud had unleashed a force and it was wrapping around the tangles, ready to rip them apart.

From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff