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heresy
noun
her·e·sy | \ ˈher-ə-sē
, ˈhe-rə-\
plural heresies
Definition of heresy
1a
: adherence to a religious opinion contrary to church dogma (see
dogma sense 2) They were accused of heresy.
b
: denial of a
revealed truth by a baptized member of the Roman Catholic Church
c
: an opinion or doctrine contrary to church dogma
2a
: dissent or deviation from a dominant theory, opinion, or practice To disagree with the party leadership was heresy.
b
: an opinion, doctrine, or practice contrary to the truth or to generally accepted beliefs or standards our democratic heresy which holds that … truth is to be found by majority vote