To sign the word “unknown,” use the ASL sign for “not know” by placing your dominant hand in front of your face, palm facing out and fingers spread, then bring your hand down to rest on your non-dominant hand, which is held flat and palm up.
To sign the word “unknown,” use the ASL sign for “not know” by placing your dominant hand in front of your face, palm facing out and fingers spread, then bring your hand down to rest on your non-dominant hand, which is held flat and palm up.