Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unequalled is an adjective meaning "radically distinctive and without equal". It carries one recorded sense.
radically distinctive and without equal
“he is alone in the field of microbiology”
“this theory is altogether alone in its penetration of the problem”
“Bach was unique in his handling of counterpoint”
“craftsmen whose skill is unequaled”
“unparalleled athletic ability”
“a breakdown of law unparalleled in our history”
Definitions, synonyms and semantic relations for unequalled come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.