Rashness

Rash"ness, n. The quality or state of being rash.

We offend . . . by rashness, which is an affirming or denying, before we have sufficiently informed ourselves.
South.

Syn. -- Temerity; foolhardiness; precipitancy; precipitation; hastiness; indiscretion; heedlessness; inconsideration; carelessness. See Temerity.