■ noun
1》 resistance or dissent.
↘(often the ~ ) a group of opponents.
↘( the Opposition ) Brit. the principal parliamentary party opposed to that in office.
2》 a contrast or antithesis.
3》 Astronomy & Astrology the apparent position of two celestial objects that are directly opposite each other in the sky, especially the position of a planet when opposite the sun.
Derivatives
~al adjective
~ist adjective &noun