1. Education
Send to a Friend via Email

Threw, Through, and Thru

Commonly Confused Words


Threw is the simple past tense of the verb throw. (Buddy threw the ball.)

Through can function as an adjective, adverb, or preposition, each with a variety of meanings. Through often suggests a passage—from start to finish, or from point A to point B. (Buddy walked through the museum.)

Thru is an informal spelling of through--more appropriate in a text message than in a formal essay or report.


  • Lena threw me a kiss as she ran out the door.

  • She came in through the bathroom window.

  • I’ll call you when I’m through [or, in a text message, thru] writing my essay.

  • Have you read through the article I left you?


(a) Earl drove _____ a red light.

(b) Merdine _____ a coin into the fountain and made a wish.

(c) I’m _____ listening to your excuses.

Answers to Practice Exercises

Glossary of Usage: Index of Commonly Confused Words

  1. About.com
  2. Education
  3. Grammar & Composition
  4. Words
  5. Commonly Confused Words
  6. Threw, Through, and Thru - Commonly Confused Words - Threw, Through, and Thru

©2014 About.com. All rights reserved.