unaltered

adjective

un·​al·​tered ˌən-ˈȯl-tərd 

1

: in an original state : not changed or altered

unaltered documents

Ancient materials should still be accessible from the surface, and we would expect them to be relatively unaltered by geological processes.

—Christopher P. McKay et al.

2

: not castrated or spayed : intact

If the substance builds up on the fur, a bacterial infection may occur. Unaltered male cats seem most prone to this problem …

—Margaret Reister

Examples of unaltered in a Sentence

Recent Examples on the Web

Learning to live substance-free and unaltered can be a new and terrifying concept. —Emma Fenske, The Conversation, 12 Feb. 2026

Woodard says the situation quickly escalated after two unaltered female dogs were left outdoors, allowing male dogs to find and mate with the females. —Moná Thomas, PEOPLE, 4 Feb. 2026

But, Bimm says, by leaving the heat shield itself unaltered, the agency has not helped to dispel any worries. —Claire Cameron, Scientific American, 3 Feb. 2026

Though Proust is never mentioned, the French author’s own words even appear almost unaltered when McGahern recounts his youthful absorption in books. —Literary Hub, 2 Feb. 2026

Word History

First Known Use

1551, in the meaning defined at sense 1

Rhymes for unaltered

• altered
• faltered