Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
gimpiness is a noun meaning "disability of walking due to crippling of the legs or feet". It carries one recorded sense.
disability of walking due to crippling of the legs or feet
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for gimpiness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.