BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: well grounded in logic or truth or having legal force
Sorry, no video found for this word.
"a valid inference"; "a valid argument"; "a valid contract"; "a valid license";
See also: legitimate, reasonable, sensible
Do you know the sign for this?
Upload your sign now.