The quality or state of being fiery; intense heat, passion, or quick temper.
From 'fiery' (Middle English 'fiery,' from Old English 'fȳrig' derived from 'fȳr' meaning fire) plus abstract noun suffix '-ness' (from Old English '-nes'). Describes the characteristic quality of having fire-like intensity.
In old literature, 'firiness' was used to describe passionate personalities and hot tempers—people would say someone had 'great firiness of spirit,' and it's fascinating how we still use fire metaphors today to talk about being angry or passionate.
Complete word intelligence in one call. Free tier — 50 lookups/day.