What's the adjective for synonymal? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs synonymize and synonymise which may be used as adjectives within certain contexts.
synonymous
(construed with with, narrower sense) having an identicalmeaning
(construed with with, broader sense) having a similarmeaning
“Her speech was filled with synonymic expressions, showcasing her ability to effortlessly replace words while maintaining the same meaning.”
“This ideal was to be Flaubert's as well, and it seems to contradict the endless synonymic amplifications so typical of Hugo's own style.”
“This database of the synonymic list represents many additions and changes, and represents a complete listing for all described Odonata of North, Middle, and South America.”