1. of, relating to, or advocating the abolition of something, especially slavery
Usage: often used in historical contexts referring to the anti-slavery movement; formal or academic register

Examples

• The abolitionary movement gained momentum in the 19th century.
• Abolitionary societies worked tirelessly to end the slave trade.
• Her abolitionary writings influenced public opinion on slavery.
• The abolitionary cause attracted supporters from many walks of life.
• Abolitionary leaders faced significant opposition from those who profited from slavery.