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check into

Idioms  
  1. Investigate something, as in I don't know when they open but I'll check into it . Also see check out .

  2. Register one's arrival at, as in She was about to check into the hospital . Also see check in , def. 1.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Talley told the group chat: “I’m going to try and use the levers of the legislative branch to check into his detention.”

From Slate • May 28, 2026

I request one every time I check into a hotel, with mixed success.

From The Wall Street Journal • Apr. 15, 2026

An accident with a cup of coffee in February 2025 morning had him feeling like he should check into a psych facility.

From Los Angeles Times • Mar. 30, 2026

When you check into your journey, you may not be able to board without a valid ETA.

From BBC • Feb. 24, 2026

And, really, maybe the best idea is to go check into a nice hotel under her maiden name for a week or so—at our expense, of course—would she mind terribly?

From "Things Not Seen" by Andrew Clements

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