What does "partisanship" mean?

An inclination to be partisan or biased; partiality.

What is a synonym for "partisanship"?

Common synonyms include: partiality, belligerence, bent, bias, bias toward party, bickering.

Pronounced //ˌpɑːtɪˈzænʃɪp//.

/ˌpɑːtɪˈzænʃɪp/ noun

noun ·Moderate ·College level

Noun

1
An inclination to be partisan or biased; partiality. countable, uncountable
"In this moment of constant campaigning and tribal partisanship, even the courts have had difficulty puncturing the ideological bubbles that Mr. Trump and Fox News pundits have created."
2
an inclination to favor one group or view or opinion over alternatives wordnet

"Let's resist the temptation to fall back on the same partisanship and pettiness and immaturity that has poisoned our politics for so long."

From partisan + -ship.