Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
stably is an adverb meaning "in a stable solid fixed manner". It carries 2 recorded senses.
in a stable solid fixed manner
“the boulder was balanced stably at the edge of the canyon”
in a stable unchanging manner
“the death rate in Russia has been stably high”
Definitions, synonyms and semantic relations for stably come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.