1. strongly supporting a particular political party, group, or cause, often in an unfair or biased way

1. a strong supporter of a particular political party, group, or cause
2. a member of an armed resistance group fighting against occupying forces
Usage: historical; military

Examples

• The senator’s partisan speech appealed only to his own party members.
• She tried to remain neutral rather than take a partisan stance on the issue.
• The committee was criticized for its partisan approach to the investigation.
• He was a loyal partisan who never questioned his party’s decisions.
• The partisans hid in the mountains and launched surprise attacks on enemy troops.
• During World War II, French partisans sabotaged German supply lines.
• The debate became increasingly partisan as election day approached.