What does beastliness mean?
Beastliness is a noun describing the quality or condition of behaving like a beast — that is, acting with brutality, savagery, or cruel disregard for others. By extension, it can also denote anything disgustingly dirty, foul, or morally repulsive. The word derives from 'beast,' ultimately from the Latin 'bestia,' via the adjective 'beastly.' Its connotations are strongly negative: to accuse someone of beastliness is to condemn them as crude, violent, or lacking in human decency. In older British usage, particularly among schoolboys in the late nineteenth and early twentieth centuries, the term softened into a mildly pejorative label for anything unfair or disagreeable, such as an unwelcome task. Today it appears most often in literary, historical, or rhetorical contexts, where writers reach for it precisely because of its vivid, animalizing force — a word that frames cruelty not merely as wrongdoing but as a surrender of one's humanity.
nounThe quality of being brutal, savage, or disgusting; behavior or character resembling that of a beast.
- Brutal, savage, or cruel behavior; the quality of acting like a beast.
- Something disgusting, filthy, or morally repulsive.
"The report condemned the beastliness of the prison guards with unusual force."
"Historians were shaken by the sheer beastliness recorded in the survivors' accounts."
"He complained about the beastliness of the weather all week."
Rarely pluralized; as an abstract quality it is almost always used as an uncountable mass noun. A plural would appear only when counting distinct instances of beastly behavior.
"The chronicle catalogs the beastlinesses committed during the siege."
In British school slang of the early 20th century, 'beastliness' could mean something as mild as unfair homework — a long way from its origins in describing savage brutality.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of beastliness
Beastliness is formed from 'beastly' plus the noun-forming suffix '-ness.' 'Beastly' traces back through Middle English 'beestli' to the noun 'beast,' which entered English from Old French 'beste,' deriving from Latin 'bestia,' meaning a wild animal. The word has been used since at least the medieval period to describe conduct unbefitting a rational human being, and cognates of the root include 'bestial' and 'bestiary,' both borrowed more directly from Latin.
How beastliness is actually used
Somewhat literary or old-fashioned in tone; in British informal English it can carry a milder, almost comic sense of unpleasantness, though its core sense remains strongly negative and often moral in force.
Easily confused with beastliness
Bestiality refers both to cruelty/savagery and specifically to sexual relations between humans and animals, whereas beastliness is a broader term for brutish or disgusting behavior.
Beastly is the adjective meaning brutal or (in British informal use) unpleasant, while beastliness is its noun form denoting the quality itself.