Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: not capable of occurring or being accomplished or dealt with
"an impossible dream"; "an impossible situation";
See also: unthinkable, hopeless, impractical, insurmountable, unsurmountable, unrealistic
How to sign: used of persons or their behavior
"impossible behavior"; "insufferable insolence";
Similiar / Same: insufferable, unsufferable, unacceptable
How to sign: totally unlikely
Similiar / Same: inconceivable, out of the question, unimaginable
