A soapbox is a small temporary platform on which a person stands when he or she is making a speech outdoors.
He climbed aboard a soapbox to declaim against the evils of modern society.
...soapbox speeches.
2. countable noun
If you say that someone is on their soapbox, you mean that they are speaking or writing about something they have strong feelings about.
We were interested in pushing forward certain issues and getting up on our soapboxabout them.
I wanted to talk about the pension age. It's rather a soapbox of mine.
soapbox in British English
(ˈsəʊpˌbɒks)
noun
1.
a box or crate for packing soap
2.
a crate used as a platform for speech-making
3.
a child's homemade racing cart consisting of a wooden box set on a wooden frame with wheels and a steerable front axle
soapbox in American English
(ˈsoʊpˌbɑks)
noun
1.
a box or crate for soap
2. US
any improvised platform used by a person (soapbox orator) making an informal, often impassioned speech to a street audience, as on a current, controversial issue
Examples of 'soapbox' in a sentence
soapbox
The news had no real news, just endless presidential openings or soapbox speeches.
Aidan Hartley THE ZANZIBAR CHEST: A Memoir of Love and War (2003)
His new pal helps him fulfil his dream of becoming a soapbox derby champion, much to his family's disapproval.