/əˈbjuːz/ (verb), /əˈbjuːs/ (noun)
[noun] The wrong or harmful use of something or someone. It can mean using something in a way that causes damage, or treating a person in a cruel or violent way.
The word 'abuse' literally meant 'to use up completely' — as if a thing could be worn out by being misused.
The story of 'abuse' begins in classical Latin, with the verb 'abuti', built from two parts: the prefix 'ab-', meaning 'away' or 'away from', and 'uti', meaning 'to use'. Together, 'abuti' carried the sense of using something away from its proper purpose — consuming it wrongly, exhausting it, or directing it in a way that departed from its intended function. This idea of misuse, of pulling something off its correct course, is at the very heart of what 'abuse' has always meant.
From Latin 'abuti' came the noun 'abusus', meaning misuse or excessive use. This form passed into Old French as 'abus', keeping the same essential meaning: the wrong application of something, the squandering of a resource or privilege. It was through this Old French channel that the word arrived in English during the 15th century, carried along by the wave of French vocabulary that had been flooding into English since the Norman Conquest of 1066. By the time English writers began using it, 'abuse' referred primarily to the misuse of power, language, or privilege — not yet the physical harm it so commonly describes today.
In its earliest English appearances, 'abuse' was often used in a fairly intellectual or rhetorical sense. Writers spoke of the 'abuse of words' — meaning the misuse or distortion of language — and of the 'abuse of authority', where a person in power acted beyond or against their proper role. This was also the era of heated religious debate, and reformers frequently condemned the 'abuses' of the Church, meaning corrupt practices that had drifted far from true religious purpose. The word had a kind of formal, almost legal weight to it.
Over the following centuries, 'abuse' gradually broadened and darkened in meaning. The physical and emotional cruelty we most strongly associate with the word today became more prominent in usage from the 17th century onward. As society developed language to speak more directly about violence within families, institutions, and relationships, 'abuse' became the key term for that conversation. The Latin root's idea of being 'used wrongly' translated powerfully into the idea of a person being treated as an object — used, and used badly.
The verb form 'abuse' has always existed alongside the noun, and the two words are spelled differently only when spoken — the noun ends in the soft sound /s/, while the verb ends in the voiced /z/. This distinction, invisible in writing but clear in speech, is one of those small elegances English inherited from French. The related adjective 'abusive', the noun 'abuser', and the formal 'abusage' all grew naturally from the same root. Interestingly, the Latin 'uti' — that original word for 'to use' — also gave English 'utility', 'utilize', and 'utensil', all carrying that same fundamental sense of putting something to a purpose, for good or ill.