Facebook’s profanity filter, and the blocked words list beside it
A Page has two word-based controls, on the same settings screen and often confused: a profanity filter running on Meta’s own unpublished word list, and a blocked words list of up to 1,000 phrases you write yourself. Both hide matching comments rather than deleting them.
Checked against Meta’s Help Center on 15 September 2026.
The profanity filter
Meta’s list, not yours
Switch into your Page, then Settings & privacy → Settings → Followers and public content, and turn on Hide posts and comments with profanity (Meta).
Blocked words
The list you control, and what it really does
Same screen: Hide comments containing certain words from your Page. This one is worth more than most people think (Meta).
The third control
Moderation Assist, which is not about words at all
Under Professional dashboard → Engagement → Tools → Moderation Assist, Facebook can hide comments by who wrote them rather than what they said: accounts with no profile photo, no friends or followers, accounts under a week old, or people whose comments have been reported, deleted or hidden three or more times in the last 30 days. It also covers comments containing a link, an image, a video, or profanity in eight languages (Meta).
Two limits worth knowing: it only acts on new comments, and Meta states plainly that it does not hide comments on any ads you run — see comments on Facebook ads.
Troubleshooting
Why it looks like the filter is not working
Starter lists
Five lists to paste in, whatever tool you use
These are the phrase lists CommentDefender ships as defaults. They are ordinary text — copy them into Facebook’s blocked words box if that is all you need. Phrases, not single words: “free” on its own also hides “carefree”.
- Contact bait Invitations to move your customer into a private chat, written without the email or phone number the contact filter would catch.
dm me · inbox me · whatsapp me - Link bait Comments that point your audience at another profile without pasting a link the URL filter could see.
link in my bio · check my profile · click my profile - Crypto & investment scams Get-rich testimonials and "account manager" pitches, including the recovery scams that follow them.
bitcoin investment · passive income · forex trading - Fake giveaways Prize notices from accounts that are not you, usually posted under your real giveaway to harvest the entrants.
you have been selected · claim your prize · claim your reward - Fake platform support Accounts posing as platform support: disabled-page threats, copyright notices and appeal forms that lead to a login page.
your page will be disabled · copyright violation · verify your page
When a word list stops being enough
CommentDefender adds what a list cannot do: links and contact details caught without naming them, rules per Page, a whitelist that overrules everything, and a record of what was hidden and why. 14 days, no card.
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