this is why vs this is the reason why

Both "this is why" and "this is the reason why" are correct and commonly used in English. They are interchangeable and serve the same purpose of explaining a cause or justification.

Last updated: March 22, 2024 • 1155 views

This phrase is correct and commonly used in English to explain a cause or reason.

"this is why"

It is used to provide an explanation or justification for something that has been stated or will be stated.

Examples:

I couldn't sleep last night, and this is why I'm so tired today.
She didn't attend the meeting, and this is why she missed important information.
He failed the exam, and this is why he needs to study harder.
This is why we need to take action now.
This is why I believe in you.

Show examples from the web [+]

We think this is why the ship jumped to warp.
OK. See, this is why demons are better than people.
And this is why Steve Jenks got out.
See, this is why nobody likes you.
So this is why they've prohibited the hunting of marmot.
Ladies and gentlemen, this is why I went to pharmacy school.
Okay, this is why she's so successful.
See, this is why Jeff corrects me all the time.
So this is why she wanted your laptop.
So this is why she wanted your laptop.
Aigoo, this is why you girls can't be first-rate gisaengs.
See, this is why American ingenuity is dying.
And this is why I begged Bonnie to get Stefan out first.
Well, this is why our marriage works.
And this is why I got into police work.
And this is why you skipped the combine.
See this is why we can't catch the killer.
Wait, this is why I exercise like a fiend.
So this is why my mother likes you.
And this is why I did not bring it up.

Alternatives:

that's why
hence
therefore
for this reason
as a result

This phrase is correct and commonly used in English to provide a detailed explanation or justification for something.

"this is the reason why"

It is used to explain a cause or reason in a more elaborate or formal manner.

Examples:

This is the reason why I couldn't make it to the party.
She explained the situation, and this is the reason why she was late.
This is the reason why we need to change our approach.
This is the reason why I chose this path.
This is the reason why we must act quickly.

Show examples from the web [+]

Originally Answered: "this is why" or "this is the reason why", which one? Both are correct. Neither is superior in terms of grammar, nor is one '' ...
Nov 29, 2019 ... Whales are vital to curb climate change - this is the reason why · Whales store huge amounts of CO2 · They support the growth of phytoplankton, ...
Apr 14, 2022 ... ... all units shipped from Amazon fulfillment centers … The post If Amazon prices start going up, this is the reason why appeared first on BGR.

Alternatives:

this is why
that's why
hence
therefore
for this reason

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this is why vs this is the reason why

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