'Partisanship' definitions:

Definition of 'partisanship'

(from WordNet)
noun
An inclination to favor one group or view or opinion over alternatives [syn: partiality, partisanship] [ant: impartiality, nonpartisanship]

Definition of 'Partisanship'

From: GCIDE
  • Partisanship \Par"ti*san*ship\, n. The state of being a partisan, or adherent to a party; feelings or conduct characteristic of a partisan. [1913 Webster]