say it: dis-a-ti-SFAK-shuhn
dissatisfaction is a noun meaning "the feeling of being displeased and discontent". It carries one recorded sense.
the feeling of being displeased and discontent
“he was never slow to express his dissatisfaction with the service he received”
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 dissatisfaction come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.