Difference Between Through and Thru

Whereas ‘thru’ is a non-standardised version of the word ’through’. That is, it is an alternatively spelt word which means the same as the word ’through’.

Language undergoes changes constantly. The changes are nuanced, circumstantial and situational.

A huge difference can be noticed in the way people text and directly speak to their friends, family, acquaintances and superior officers. One can easily spot the way in which the speech is altered to suit the needs of the situation and the people involved in it.

The words through and thru are examples that also show this contrast.

Through vs Thru

The difference between the words through and thru is that, ‘through’, which acts as a preposition, adjective and adverb in various occasions, is the standard way of presenting the word.

Through vs Thru

Comparison Table

Parameter of ComparisonThroughThru
UsageThrough is used as a preposition, adjective or adverb.Thru is used as an abbreviation of the word ‘through’.
SituationThrough is used in formal situations.Thru is used in informal situations.
AcceptabilityThrough is acceptable in all contexts.Thru is acceptable in informal writing.
StandardThrough is seen as the standard way of using its meaning.Thru is not the standard way of using the word and its meaning.
Contextual ExampleE.g.: through the driveway.E.g.: drive-thru.


What is Through?

The word ‘Through’ generally means movement from one thing to another, from one side to another, etc.

For example, when you say, “I am going through a tunnel”, it means you are moving from one end of a tunnel to its another end, that is, you are moving through the tunnel.

This word can also mean continuing with something till its end.

For example, when you say, “She has to get through this level to win the badge”, it means that that person should go through the entire level and complete it to win the badge.

The word ‘Through’ is also used instead of the phrase “by means of”.

For example, in the sentence, “The company bagged the new deal through promotion and marketing”, the word ‘Through’ is used as an alternative to the phrase “by means of”.

In this context, ‘Through’ means that the company landed on the deal by means of or with the help of promotion and marketing.

This word is also used in several other contexts such as when you are being connected to another person over phone or when your relationship with someone has come to an end.

Here are few examples to clarify its usage: –

  1. “Sure, ma’am. Let me put you through to the administrator’s office”.
  2. “Not one more word from your mouth! I am through with you. Our deal has come to an end”.

The word is also used as a part of the phrase” through and through”, which means completely or thoroughly.

Examples: –

  1. “He is their supporter through and through”.
  2. ‘Through’ performs the functions of a preposition, adjective and adverb, depending upon the subject of the sentence, its structure and the requirements of the situation.
  3. ‘Through’ is seen as the standard spelling of the word. It is used in all types of situations, articles and sentences.

What is Thru?

As mentioned in the introduction, two words can have different spelling by meaning the same.

When and ven, your and ur, you and u are pairs of words that mean the same, but have different spellings.In all these pairs of words, the latter is an abbreviated version of the former.

Similarly, ‘Thru’ is an abbreviation of the word ‘Through’.

It is a non-formal way of writing ‘Through’. This word is often seen in text messages and other informal pieces of writing.

This word is frequently seen on signs at restaurants and even on traffic signals such as ‘no-thru’ signals.‘Thru’ is a non-standard way of writing ‘Through’ and is not accepted in academic and professional writings.

Although there is nothing wrong in texting your friend “How am I going to get thru the entire syllabus?”; using the word ‘Thru’ in a formal setting or communication thread is seen to be inappropriate.

Thru is an abbreviation of the word ‘Through’, like message and msg and ‘and’ and ‘nd’.


Main Differences Between Through and Thru

  1. The main difference between the words ‘through’ and ‘thru’ is that the former is the appropriate way of using the word. But the latter is an abbreviation of the word ‘through’.
  2. The word ‘Through’ is used in formal writings and communication. Whereas the word ‘thru’ is often seen in informal communication and messages.
  3. ‘Through’ is the accepted way of using the word. But ‘thru’ is not accepted in academic writings and professional articles and journals.
  4. ‘Through’ is seen as the standard way of its usage. But ‘thru’ is the non-standard way of its usage.
  5. While ‘through’ is used as preposition, adjective and adverb in sentences, ‘thru’ is used in text messages instead of ‘through’ or in phrases such as ‘drive-thru’ and ‘no-thru-signals’.


  1. https://www.tandfonline.com/doi/pdf/10.1080/00947679.1979.12066922
  2. https://heinonline.org/hol-cgi-bin/get_pdf.cgi
Search for "Ask Any Difference" on Google. Rate this post!
[Total: 0]
One request?

I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️

Notify of
Inline Feedbacks
View all comments