Partisan

Noun

Definition: A strong supporter or adherent of a particular party, cause, or person, especially a person who shows biased, unthinking allegiance.

Synonyms: Supporter, Follower, Advocate

Antonyms: Impartial, Neutral, Unbiased

Examples:

She was a partisan of the Republican party and defended their policies vigorously.
The newspaper has a reputation for being partisan and promoting a specific political agenda.

Mnemonics:

Think of someone who is blindly loyal and biased towards a political party.

Adjective

Definition: Biased or prejudiced in favor of a particular party, cause, or person.

Synonyms: Biased, Prejudiced, One-sided

Antonyms: Impartial, Unbiased, Neutral

Examples:

The partisan media coverage lacked objectivity and presented a skewed perspective.
His partisan views colored his judgment and prevented him from considering alternative opinions.

Mnemonics:

Think of the word "party" within "partisan" to remember its association with bias towards a particular group.

Etymology:

Origin:

The word "partisan" originated from the French word "partisan" which means "member of a party." It entered the English language in the 16th century.

Historical Usage:

Originally used to refer to a guerilla fighter or a member of an irregular military force, the term gradually developed the extended meaning of someone who is biased or prejudiced towards a particular cause or party.

Related Idioms:

Idiom:

"Political partisan"

Explanation:

Referring to a person or group who is strongly biased towards a particular political party or ideology.

Misconceptions:

Misconception:

Assuming "partisan" only refers to political affiliation.

Explanation:

While commonly associated with politics, "partisan" can be used to describe bias or prejudice in other contexts such as sports or any other polarizing issue.