What does altering mean?
Altering is the present participle and gerund of the verb 'alter', meaning to change or modify something so that it differs from its original state without being wholly transformed. The word suggests deliberate, often careful adjustment: a tailor altering a jacket, an engineer altering a design, or a government altering a policy. Because it implies partial rather than total change, it sits between mere tweaking and outright replacement, giving it a precise and useful place in both everyday speech and formal writing. It appears in common phrases such as 'altering course' in navigation and 'altering the terms' in legal contexts. The word traces back to the Latin 'alter', meaning 'other' or 'another of two', which also gave English words like 'alternative' and 'altercation'. A frequent point of confusion is with the identically sounding word 'altar', the religious structure, though the two are entirely unrelated in meaning.
verb (present participle and gerund of 'alter')The present participle and gerund of the verb 'alter', meaning to change or modify something, especially in a way that makes it different but does not entirely transform it.
- To change or modify something so that it becomes different while retaining its essential character (e.g. altering a garment, altering a plan)
- To make minor adjustments or amendments to a document, agreement, or arrangement
"The tailor spent the afternoon altering the suit to fit his client perfectly."
"She is altering her wedding dress so it fits perfectly on the day."
"The committee voted against altering the terms of the contract."
Despite sounding exactly like 'altar', the word 'altering' has nothing to do with religion — it comes straight from the Latin 'alter', meaning 'the other of two'.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of altering
Altering derives from the verb 'alter', which entered Middle English from Old French 'alterer', itself rooted in the Latin 'alter', meaning 'the other (of two)'. The same Latin root produced a family of English words including 'alternative', 'altercation', and, through Romance descendants, 'altruism'. The word has carried its core sense of making something different since its adoption into English, with no significant shift in meaning over the centuries.
Related word forms
How altering is actually used
As a verb form, 'altering' carries a neutral register and appears in both everyday and formal contexts. It typically implies partial or targeted change rather than complete transformation — one alters a hem or a schedule, but transforms a house or a life. The gerund form ('the altering of documents') can sound slightly formal or legalistic compared with the simple noun 'change'.
Easily confused with altering
'Altering' is the act of changing something, while an 'altar' is a raised table or structure used in religious worship — the two are frequently confused because they sound identical.