Definitions

1. preposition

through or by means of

“She drove thru the park to get to the other side.”

2. conjunction

used to connect two clauses or sentences

“I went to the store, thru I forgot to buy milk.”

3. adverb

through or by means of

“The package was shipped thru the mail.”

4. interjection

used to express a feeling or emotion

“Thru this whole process, I’ve been really frustrated.”