Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
impracticably is an adverb meaning "to an impracticable degree". It carries one recorded sense.
to an impracticable degree
“this is still impracticably high”
Definitions, synonyms and semantic relations for impracticably come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.