Balloon
Balloon noun - Small thin inflatable rubber bag with narrow neck.
Trial balloon and balloon are semantically related. In some cases you can replace phrase "Trial balloon" with "Balloon", this terms are similar.
Trial balloon
Trial balloon noun - A balloon sent up to test air currents.
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Synonyms for Trial balloon
Balloon and trial balloon are semantically related. Sometimes you can use "Balloon" instead a noun phrase "Trial balloon".
Cite this Source
Trial balloon and Balloon. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/balloon/trial_balloon
Balloon & Trial balloon. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/balloon/trial_balloon>.
Trial balloon or Balloon. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/balloon/trial_balloon.
Google Ngram Viewer shows how "balloon" and "trial balloon" have occurred on timeline