ASL Sign Language Dictionary
Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: increase twofold
"The population doubled within 50 years";
See also: parlay, double up
Similiar / Same: double
Categories: manifold, multiply
Within this category: geminate, redouble
How to sign: being two identical
Similiar / Same: matching, twin(a), twinned
Sign not right? Or know a different sign?
Upload your sign now.