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English definition of “into”

into

preposition  /ˈɪn·tu, -tə/ us  

into preposition (INSIDE)

toward the inside or middle of something and about to be contained, surrounded, or enclosed by it: Pour some sugar into the bowl. They went into the backyard.

into preposition (CONNECTED WITH)

connected with or involved in a condition or activity: My father went into the army the day after the war began. An investigation into the accident is underway. I know I should do my taxes but I just don’t want to get into it now. infml Into also means strongly interested in or involved with something: Jeanne is heavily into music. Ken is into long-distance running.

into preposition (CHANGE)

used to show when a person or thing is changing from one form or condition to another: Peel the potatoes and chop them into small cubes. We made the extra bedroom into an office. Her novels have been translated into nineteen languages.

into preposition (MOVEMENT)

used to show movement that involves two things coming together with force: The driver apparently fell asleep and his car slammed into a tree. fig. Guess who I ran into (= met unexpectedly) at the shopping mall!

into preposition (DIVISION)

used when referring to the division of one number by another number: 5 into 10 is 2.
(Definition of into from the Cambridge Academic Content Dictionary © Cambridge University Press)
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