Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: proceeding from natural feeling or impulse without external stimulus
"an impulsive gesture of affection";
Similiar / Same: unprompted
How to sign: having the power of driving or impelling
"a driving personal ambition"; "the driving force was his innate enthusiasm"; "an impulsive force";
Similiar / Same: driving