Definition

1. Noun:
   • A test of public opinion: A tentative action, proposal, or statement made to gauge the reaction of others, especially the public or a specific group, before a final decision is made.
   • A balloon sent up to test air currents: (Literal, less common) A small balloon released to gather meteorological data about wind direction and speed.

Usage

• The primary modern usage is metaphorical, referring to a strategic leak or a tentative idea floated to assess potential support or opposition.
• It is often used in political, corporate, or media contexts where an anonymous source might release information to see how it is received.

Examples

• Noun (Metaphorical):
  • The senator's speech included a trial balloon about potential tax reforms to see how voters would react.
  • The company floated a trial balloon regarding a possible merger through a news article.
• Noun (Literal):
  • Scientists released a trial balloon to collect data on upper atmospheric winds.

Advanced Usage

• "to float a trial balloon": This is the most common verb collocation. It means to deliberately release a tentative idea or proposal to test public or official reaction.
  • The administration is floating a trial balloon about changing the policy.

Variants and Related Words

• Trial run (n): A test of a new system or product to see how it works before full implementation. (Related in concept but not a variant of "trial balloon").
• Feeler (n): A remark or action made to ascertain the attitudes of others. (Synonymous in the metaphorical sense).

Synonyms

• Feeler
• Test case
• Pilot project (in a broader strategic sense)
• Probe

Related Phrases

• Gauge reaction: To measure or assess the response, which is the core purpose of a trial balloon.
• Test the waters: An idiom with a very similar meaning to floating a trial balloon.

Related Idioms

• See which way the wind blows: This idiom relates to the literal origin of the term and means to wait and see how a situation develops before acting. It is conceptually linked to the purpose of a trial balloon.

Noun

1. a balloon sent up to test air currents
2. a test of public opinion