1. To change or vary in some degree; to change entirely or materially.

2. To change in some respects.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• lter,
• llater,
• alterd,
• wlter,
• amtter,
• arter,
• ultr,
• aafter,
• ealder,
• afiter,
• amater,
• hulter,
• alerm,
• eiter,
• alere,
• avater,
• adulter,
• atteh,
• ater,
• alfed

• elatior,
• Allottery,
• be-wilder,
• altar-boy,
• aliadiere,
• alder,
• welder,
• aldair,
• ultra-man,
• Walleteer,
• aldrete,
• wild rye,
• Elator,
• Eldora,
• Alteri,
• ultra,
• ALITER,
• eldar,
• altier,
• alderson,
• alaotra,
• aleiter,
• altra,
• Aldred,
• ILTER,
• ultraa,
• yielder,
• alderfly,
• alatri,
• altria,
• alderman,
• Aludra,
• ALDERU,
• altered,
• elder,
• Eldoree,
• alter-ego,
• Walder,
• ultra-,
• aletris,
• ultor,
• eldir,
• Altaer,
• aldura,
• eleuterio,
• alydar,
• wieldier,
• bye-altar,
• Eyeleteer,
• yildiray,
• Woolder,
• aletter,
• Welldoer,
• older,
• alterra,
• Allotter,
• Aldora,
• walter,
• elettaria,
• altering,
• alatorre,
• Elder-gun,
• alydaar,
• altera,
• Eldor,
• altieri,
• ILTRI,
• ELDR,
• ultra-hip,
• ALTARE,
• Aldrich,
• Eldoria,
• aldar,
• elottery,
• Wielder,
• ALLODARII,
• Altayr,
• alderete,
• ultra-low,
• uludere,
• aladura,
• alterio,
• aladar,
• elater,
• welter,
• Olitory,
• Aldara,
• oltre,
• Elytra,
• altair,
• Allodiary,
• Elettra,
• wilder,
• eletr,
• aldro,
• altro,
• aldouri,
• Alltair,
• ALEATOR,
• altri,
• Eleodoro,
• OLTRA,
• Elatery,
• Lay-elder,
• altar,
• waltari,
• wolder,
• Altaira,
• ildar,
• NYU/ULTRA,
• eliodoro,
• aleatory.

The adverb form of the word "alter" is "alterably".

The adjective form of the word "alter" is "altered".

The plural of the "alter" can be the "Alters".

The singular of the "alter" can be the "alter".