say it: IN-fuh-mee
infamy is a noun meaning "a state of extreme dishonor". It carries 2 recorded senses.
a state of extreme dishonor
“a date which will live in infamy”
“the name was a by-word of scorn and opprobrium throughout the city”
evil fame or public reputation
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 infamy 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.