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Thru VS Through: Do You Know The Difference?

Author: Andy Samue | 2024-06-21

English can be tricky, especially with words that look and sound similar but have different meanings or usages. "Thru" and "through" are a prime example of this. Understanding when to use each word can help you communicate more clearly and effectively.

Quick look of thru vs through:

  • Through can function as a preposition, an adjective, and an adverb.
  • Through is the standard and formally accepted spelling in all contexts.
  • Thru is an informal variant often used in casual writing or specific scenarios like drive-thrus.

1. The Difference Between Through and Thru

Through is the standard spelling used in both American and British English. It serves as a preposition, adverb, and adjective, indicating movement from one side to another, completion of a process, or passage from start to end.

Examples:

  • We walked through the park.
  • She read the book all the way through.
  • The tunnel goes through the mountain.

Thru is an informal, phonetic spelling of "through" primarily used in American English. It's commonly seen in casual writing, signage, and specific contexts like drive-thru services. According to the YourDictionary article, "thru" became popularized in the mid-20th century, particularly in commercial contexts for brevity and clarity.

Examples:

  • The bank has a drive-thru service.
  • Please pick up your prescription at the drive-thru window.
  • While "thru" is widely understood, it is not typically used in formal writing. For professional, academic, and formal contexts, "through" is the appropriate choice.

2. Examples of Through

The quickest way to understand usage is by looking at examples. Here are some examples to help you learn the differences and proper usage of "through":

  • The river flows through the city, providing water to its inhabitants.
  • She looked through the telescope to see the stars.
  • They worked through the night to finish the project on time.
  • The teacher guided the students through the difficult lesson.
  • He walked through the door without saying a word.

3. Examples of Thru

"Thru" is best used in informal settings or specific contexts such as signs and casual communication. Here are some examples:

  • The fast-food restaurant offers a convenient drive-thru service.
  • The car wash has a drive-thru option for busy customers.
  • You can drop off your documents at the drive-thru mailbox.
  • Many banks now have drive-thru ATMs for customer convenience.
  • The pharmacy has a drive-thru for picking up prescriptions.

4. Do You Know About Threw?

It's also important to note the difference between "through" and "threw." While "through" and "thru" deal with passage or completion, "threw" is the past tense of "throw," meaning to propel something with force through the air. Here are the examples:

  • He threw the ball to his teammate.
  • She threw the letter into the trash.
  • The pitcher threw a fastball.

5. Some Tips to Get You “Through”

1. Formal vs. Informal: Use "through" in all formal writing and "thru" only in informal contexts or specific cases like drive-thru signs.

2. Remember Context: If you're unsure, it's safer to use "through" to avoid any potential misunderstanding or perceived lack of professionalism.

3. Practice: Regularly read and write using both words in the correct contexts to become more familiar with their proper usage.

4. Proofread: Always proofread your writing to ensure that you've used the correct form, especially in formal documents.