Definition of trial balloon
: a project or scheme tentatively announced in order to test public opinion
Examples of trial balloon in a sentence
She's been floating trial balloons about a possible run for Congress.
First Known Use of trial balloon
TRIAL BALLOON Defined for English Language Learners
Definition of trial balloon for English Language Learners
: something that you do or say in order to find out what people think about an idea, plan, etc.
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