horribleness
Word family
Synonym discussion
Sense: noun/1
All four nouns name the quality of being deeply unpleasant, but they sit at different registers and serious-levels. 'Horror' is the everyday workhorse — it covers the cold feeling inside a person ('a wave of horror') AND the awful quality of an event ('the horror of war'), and it is by far the most common in news and literature. 'Awfulness' is the plain, modern equivalent of 'horribleness'; a Taiwanese learner will hear it far more often than 'horribleness' in casual speech. 'Dreadfulness' leans literary and slightly old-fashioned, often hinting at fear or gloom. 'Horribleness' itself is rare and a little marked: writers reach for it when they want the bookish '-ness' shape, or speakers use it half-jokingly for small disasters like a bad meal. Compare: 'the horror of the bombing' (serious, standard), 'the awfulness of the traffic' (everyday complaint), 'the horribleness of his table manners' (semi-humorous, slightly arch).
Common collocations
Etymology
Built in late Middle English by adding the noun-forming suffix '-ness' to the adjective 'horrible'. The adjective itself reached English through Old French 'orrible' from Latin 'horribilis', meaning 'causing shudders', from the verb 'horrere', 'to bristle, shudder'. The same Latin root gives us 'horror' and 'horrid'. The '-ness' ending is the all-purpose English way to turn an adjective into the abstract quality of that adjective (kind → kindness, dark → darkness), so 'horribleness' is literally 'the quality of being horrible'.