adj ·Uncommon ·Advanced level

Definitions

Adjective

1. 1
   Not convertible not-comparable

Adjective

1. 1
   not capable of being changed into something else wordnet
2. 2
   used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value wordnet

Synonyms

All synonyms

irredeemablechangelessconstantimmutableincommutableindefeasible

Antonyms

All antonyms

convertible

Etymology

From in- + convertible.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.