How to Block Bad Words on Google Assistant

Tap and hold the home button. This launches Google Assistant on most Android devices. If this doesn't work for you, try saying “OK Google” at the home screen, or tapping a yellow and white icon that says “Assistant.” Google Assistant is only available on Android devices running Marshmallow (6.0 or later).

Tap ⁝. It's at the top-right corner of Google Assistant.

Tap Settings.

Scroll down and tap Voice.

Slide the “Block offensive words” switch to the On position. When the switch is on (blue), Google Assistant will not use profanity.