IPA: /ˈraɪm.ləs/
KK: /ˈraɪm.ləs/
Describing something that cannot be rhymed with any other word, meaning there are no perfect rhymes for it.
The word 'orange' is often considered rhymeless in English poetry.
Rhymeless → It is formed from "rhyme" (from Old French *rime*, meaning a correspondence of sound) and "-less" (meaning without). The word "rhymeless" means without rhyme or lacking a corresponding sound pattern.
Think of 'rhyme' as a sound correspondence, and remember that 'rhymeless' means lacking that sound connection.