This tutorial is going to walk you through the various methods you can use to completely disable comments in wordpress.
Why Would Anyone Disable Comments on WordPress?
Imagine newspapers had a comment section on every article or news, this is better left unimagined. Opinions are good but they could be sometimes distracting and frankly speaking, not every article or niche needs users comments.
How To Disable Comments on WordPress
This tutorial is mainly focused on how to totally disable comments on WordPress but for comprehensiveness, I will also cover how to disable comments on WordPress posts and pages would also be discussed.
How To Disable Comments on a WordPress Page or Post
Comments can be disabled on any page or post when it is being edited, this can be done by clicking on-screen options at the top right of your screen when editing a page or post, and ticking the discussion box if it is not enabled already.

Once enabled you can scroll down to the discussion panel under the text editor and untick the allow comments box.

Disabling Comments on Multiple WordPress Posts or Pages
- Click on Posts in the admin sidebar and under poss select – All Posts. For Pages, click on Pages — All Pages.
- Tick the posts you would like to disable comments for.
- Select Edit from the Bulk Actions at the top of the screen and click the Apply button.
- Under Comments, select Do not allow and Click the Update button.
Disable WordPress Comments by Default
You can also disable comments totally on all future posts, go to Settings → Discussion, and untick “Allow people to post comments on new articles”.

Closing Comments on WordPress
It is also possible to disable comments automatically after a certain number of days, go to the Settings -> Discussion, enable automatically close comments on articles older than ? days and select the number of days you desire.

How To Disable WordPress Comments Completely
You can also disable WordPress comments globally, on posts, pages by simply using a plugin. An example of such plugin is Disable Comments.
Once the plugin is installed and activated, go to Settings – Disable Comments

If you want to disable comments completely, tick everywhere and save pages. You can also deactivate comments on all posts or pages or media by selecting the On Certain post types and selecting your desired option.