Dictionary and Thesaurus

Definition of Unalterable

• (adjective satellite) remaining the same for indefinitely long times
• (adjective satellite) of a sentence; that cannot be changed; "an unalterable death sentence"
• (adjective) not capable of being changed or altered; "unalterable resolve"; "an unalterable ground rule"

Synonyms of Unalterable

• Inalterable
• Changeless

Antonyms of Unalterable

• Alterable

Homophones of Unalterable