Definitions

1. preposition

through; from one side of something to the other; used to indicate passage or movement from one place to another

“She drove her car thru the city to get to the other side.”

2. adverb

in a manner that allows passage or movement from one place to another

“The ball flew thru the hoop.”

3. adjective

allowing passage or movement from one place to another

“The door is wide enough for a car to drive thru.”

4. conjunction

used to indicate that one thing is happening while another is happening

“I’m watching the movie thru the window while eating dinner.”