Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unreservedly is an adverb meaning "without reservation". It carries one recorded sense.
without reservation
“I can unreservedly recommend this restaurant!”
Definitions, synonyms and semantic relations for unreservedly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.