'Through' vs. 'Thru': When to Use Each

In this post, we will explain the difference between "trough" and "thru." We also clarify when to use each with examples.

Use "through" in neutral or formal situations. It is the standard and conventional spelling of the word.

Olivia walked through the door.

John read through the entire book.

Reserve "thru" for informal conversations or where brevity is needed, such as in text messages or signs.

The shortcut takes you thru the alley.

Our organization aims to support people going thru difficult times.

In American English, "thru" is frequently seen in drive-thru signs.

Drive-thru open 24/7.

In British English writing, "thru" is generally not accepted.

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