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: not penetrable by light
"lightproof containers";

lightproof in ASL Watch how to sign lightproof in American Sign Language
lightproof - SMARTSign Dictionary
Embed this video

Similiar / Same: lightproof

Sign not right? Or know a different sign?

Upload your sign now.

Share »   Facebook Twitter Pinterest Email