Posts and Categories are tied together. Your best bet is creating custom post type that supports only your taxonomy. This way, your posts (which are now under your custom post type) will not have any conflict with wordpress assigning default category.
If you explain your scenario with more details, I will be in better position to help you.
Related Posts:
- How can I select a primary category?
- get_categories for custom post type with a specific custom taxonomy attached
- How can I add the featured image functionality to a custom taxonomy?
- Combine two taxonomies in a hierarchical tree
- How to make custom taxonomy check boxes like ‘Categories’
- How to create non-unique sub-category slugs?
- How to get next previous category in same taxonomy?
- Getting WordPress custom taxonomy/category?
- Display empty taxonomy terms with get_terms()
- Order Taxonomy Term by date created
- How to get the number of child categories a specific parent category has?
- How can I convert some categories to a custom taxonomy?
- Add custom taxonomy under the category title
- Get multidimensional array that reflects category hierarchy
- How to view WordPress’ default category IDs?
- Change existing taxonomy settings when using custom taxonomy
- How to get the id from the custom category?
- How to organize custom categories for filtering and selecting
- Filtering *out* a taxonomy from the admin post list
- How can I edit the ‘Most Used’ tab in the categories meta-box to show another custom taxonomy?
- Display custom taxonomy attached to the post on post single page
- Question on using custom structures for categories
- Echo text using is_tag
- Same menu for different taxonomies to reach different content
- How could I write a get_categories_by_year() function?
- How to get posts using category slug in ClassiPress?
- How to set the same base url for two different taxonomies?
- Get WooCommerce product category list in functions.php
- Set a Default CPT taxonomy by taxonomy id
- Filter custom taxonomy posts via AJAX
- Why use hierarchical taxonomies instead of many custom taxonomies?
- Renaming default category taxonomy?
- How to Manage and link certain custom taxonomy?
- Display List of Categories Within a Custom Taxonomy
- How to create default categories in new installs?
- Converting Categories (with ACF fields) to custom taxonomies
- Woocommerce custom taxonomy order
- How can I get the categories and subcategories separately?
- get_term returns different results, sometimes empty, sometime the correct list
- problem with filter of custom portfolio categories
- Deleted categories still listed until additional page refresh
- get taxonomy list in a page in the wordpress
- Number of categories slowing down the site
- Image Upload Custom Form Field for Category and Custom Taxonomy
- How to load terms of a custom taxonomy of a product in woocommerce cart page
- How to manage a dynamic multi-level page hierearchy system?
- How can I make a category function as a page?
- Using heirarchial tags or Custom taxonomies
- How to assign Categories and tags inside the TinyMCE Editor for each Image?
- outputting taxonomy hierarchy
- Categories manage
- Category custom template is not showing correct posts
- ACF Custom field not showing in Timber Taxonomy page
- Search Replace Database ONLY for posts of certain category?
- Confused about category.php template – not working
- Customizing URL slugs of Custom Post Type and Taxonomy make posts/pages 404
- Default URL for category dropdown select option
- Help with Travel Guide Setup
- Create duplicate category page with content variations
- Need help to structure our a complex hierarchy
- Most efficient way to display current post subcategories?
- How get all media from a posts category by db?
- How to echo Tags and Categories as plain text
- How can I add HTML classes for current taxonomy/term hierarchy into my pages to simplify styles?
- How to get post count including nested categories
- Dynamically creating content on custom URL without getting 404
- How to exclude category and post_tag taxonomy while displaying custom taxonomy?
- New Category – custom taxonomy
- Inserting categories as a hierarchical terms from frontend form
- Display Taxonomies in loop with template args
- Show posts from all categories
- How to add additional field to Add new category part (without plugin use) [closed]
- Getting page/category content to show up in my custom page template
- List Terms by category
- Grouping parent categories into sections
- How do you add Author and date Published on Category Pages?
- If it is a top level category show children otherwise show sibling categories
- Category and tags goes 404
- get_adjacent_post_link excluded_terms ignored
- Match two taxonomies to display a specific content
- Sort by Custom Post Type (Multiple Loop)
- Own Custom Tags/Category page ( posts)
- Gettind 404 not found wen click the view button for a given category custom post type portfolio
- Taxonomy for custom post type not found
- Category base 404 – fix
- Most efficient use of custom taxonomies, categories, and pages
- Create Cross Promoting Categories in WordPress Using ‘pre_get_posts’
- Why is my post categories not displaying?
- Display only the latest post
- display certain category on custom template page
- Check if value is a custom taxonomy category name
- Delete Term via edit-tags.php
- Problem importing categories and sub-categories
- Return selected categories only in custom page meta box?
- finding out the top 5 source ( source is a custom taxonomy ), in a given category
- Assign a category by user and customize the edit-tags.php?taxonomy=category page
- list taxonomy based on taxonomy
- get IDs from links categories
- List all authors by matching custom meta data on a category page
- Multiple Parent Category URLs