Dictionary and Thesaurus

Definition of Alter

• (v. t.) To make otherwise; to change in some respect, either partially or wholly; to vary; to modify.
• (v. t.) To agitate; to affect mentally.
• (v. t.) To geld.
• (v. i.) To become, in some respects, different; to vary; to change; as, the weather alters almost daily; rocks or minerals alter by exposure.

Synonyms of Alter

• Change
• Modify
• Change
• Vary
• Interpolate
• Falsify
• Neuter
• Spay
• Castrate

Antonyms of Alter

Homophones of Alter

• Altar