What is the difference between “in” and “into?”
In indicates location. For example,
- He was in the room.
- The killer was in the house.
Into indicates motion. For example,
- She walked into the room.
- The killer walked into the kitchen.
When to Use a Hyphen With “In”
Precede “in” with a hyphen. For example,
No hyphens are used when “in” means “not.” For example,
Other uses without a hyphen
- inpatient (n., adj.)
There are a few combinations that do take a hyphen, however. For example,
If you are ever in doubt on whether or not to use a hyphen, follow Webster’s New World College Dictionary.
When Something is “in”
When employed to indicate that something is in vogue, use quotations mark only if followed by a noun. For example,
- It was the “in” thing to do back then.
- Raccoon coats are in again.
AP Style holds that this is two words.