Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
gushy is an adjective meaning "extravagantly demonstrative". It carries one recorded sense.
extravagantly demonstrative
“insincere and effusive demonstrations of sentimental friendship”
“a large gushing female”
“write unrestrained and gushy poetry”
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 gushy come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.