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

See Examples For:

check into

Don’t let your gut feelings prevent you from doing a background check—and a check into the financial logic of the investment.

From The Wall Street Journal ● Jun. 30, 2026

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

But we check into the Hotel La Perla, Hemingway’s favored lodging for his later visits.

From Salon ● Nov. 8, 2025

However, the expiration policy requires users to check into the Airbnb within seven days, not just book within seven days.

From Los Angeles Times ● Jan. 28, 2025

During lunch he slipped the check into the mail.

From "Typical American" by Gish Jen