ASL Sign Language Dictionary

Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign ASL Android App. Download for free.


How to sign: notify of danger, potential harm, or risk
"The director warned him that he might be fired"; "The doctor warned me about the dangers of smoking";

warn in ASL Watch how to sign warn in American Sign Language
warn - SignLanguageStudent
Embed this video

Categories: inform

Within this category: forewarn, caution, threaten, alarm

Sign not right? Or know a different sign?

Upload your sign now.