Any physical or media platform which gives prominence to the person on it and the views they espouse. Example: The madman obtained a soapbox which he stood on at the corner of Broadway and Wall street, to shout out his prophesy of the end of the world.
A talk about one's pet topic (or the topic itself), especially when only tangentially relevant to an ongoing discussion. Example: He's been on his soapbox all day about the new football coach.
A soapbox car.
To give a speech from (or as if from) a soapbox.
All clues having "SOAPBOX"
for an answer:
You can find a list of possible crossword clues for SOAPBOX below.
Crossword Answers