Present participle of picket. (Protesting by a labour union or other group.)(verb)
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Use "picketing" in a sentence
"A flyer posted by the hypocrites — known best for their despicable behavior in picketing the funerals of people they have condemned to hell — says “WBC will picket funerals of Dutch killed at Amsterdam plane crash.”"
"Her goal in picketing outside abortion clinics is to prevent other women making the same mistake."
"I think preventing students from entering the university by picketing is a sign of weakness on your part."