- standing or marching, usually while holding a placard or sign, in front of a workplace, embassy, etc., as during a strike or demonstration: Local people have dropped off food supplies and newspapers for the picketing workers outside the plant.
- acting as a guard in front of other troops or vessels to warn against an enemy advance: The enemy made us defend every inch, and it wasn’t long before our picketing troops ahead were engaged.The British squadrons had been weakened by the ambush on their picketing submarines.
- the act of standing or marching with placards or signs in front of a workplace, embassy, etc., as during a strike or demonstration: Peace activists instituted regular picketing of the weekly cabinet meetings and held vigils throughout the country.
