The quality or state of being hasty; the characteristic of acting or moving with undue haste or urgency.
From 'hastif' (archaic form related to 'hasty') + suffix '-ness' (state or quality). This appears to be a rare or obsolete variant of 'hastiness.'
This word is likely archaic or dialectal, but it illustrates how flexible English is—if 'hastif' existed as an adjective, adding '-ness' to it would theoretically be correct, even if the resulting word is virtually unused.
Complete word intelligence in one call. Free tier — 50 lookups/day.