incommutable

adjective

in·​com·​mut·​able ˌin-kə-ˈmyü-tə-bəl 

: not commutable: such as

a

: not interchangeable

b

: unchangeable

incommutably

ˌin-kə-ˈmyü-tə-blē 

adverb

Synonyms

• fixed
• hard-and-fast
• immutable
• inalterable
• inflexible
• invariable
• unalterable
• unchangeable

Examples of incommutable in a Sentence

a traditionalist and staunch opponent of relativism, she argues that there is indeed a timeless and incommutable moral code by which all must abide

Word History

Etymology

Middle English, from Latin incommutabilis, from in- + commutabilis commutable

First Known Use

15th century, in the meaning defined above