say it: MUH-kray-kur
muckraker is a noun meaning "one who spreads real or alleged scandal about another (usually for political advantage)". It carries one recorded sense.
one who spreads real or alleged scandal about another (usually for political advantage)
politics
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 muckraker 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.