check into

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Definition

Verb (transitive) 1. To investigate or examine something thoroughly: To look into or inquire about a situation, fact, or condition to verify details, accuracy, or quality. 2. To register one's arrival at a hotel or similar establishment: To formally announce one's arrival and secure a room at a hotel, hospital, clinic, etc. This is the most common specific usage.

Usage Examples
  • Verb (investigate):
    • The journalist decided to check into the company's financial records.
    • Before investing, you should check into the startup's background.
  • Verb (register arrival):
    • We will check into the hotel after 3 PM.
    • Patients must check into the clinic at the front desk.
Advanced Usage
  • "to check into something": Can imply a brief or preliminary investigation.
    • I'll check into the train schedules and call you back.
  • Used in a medical or therapeutic context.
    • He decided to check into a rehabilitation center.
Variants and Related Words
  • Check-in (noun): The act or process of registering arrival.
    • The hotel's check-in time is 4 PM.
  • Check out (verb): The antonym for leaving a hotel; also means to investigate (similar to 'check into').
    • We need to check out of the room by 11 AM.
    • You should check out that new restaurant.
Synonyms
  • Investigate: To carry out a systematic or formal inquiry.
  • Examine: To inspect something in detail.
  • Look into: To try to discover the facts about something.
  • Register: To enter one's name on an official list upon arrival.
Related Phrasal Verbs
  • Check up on: To investigate or verify the condition or status of someone or something.
    • The doctor will check up on the patient tomorrow.
  • Check over: To examine something carefully for errors or problems.
    • Please check over this report before I submit it.
Related Idioms
  • Check it out: An informal phrase meaning to look at or investigate something interesting.
    • There's a great sale downtown—you should check it out.
Verb
  1. examine so as to determine accuracy, quality, or condition
    • check the brakes
    • Check out the engine