Call
Call noun - A natural vocal sound made by an animal.
Trial balloon and call are semantically related. In some cases you can use "Trial balloon" instead a noun "Call".
Trial balloon
Trial balloon noun - A test of public opinion.
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Synonyms for Trial balloon
Call and trial balloon are semantically related. Sometimes you can use "Call" instead a noun phrase "Trial balloon".
Mutual synonyms
Cite this Source
Trial balloon and Call. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/call/trial_balloon
Call & Trial balloon. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/call/trial_balloon>.
Trial balloon or Call. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/call/trial_balloon.
Google Ngram Viewer shows how "call" and "trial balloon" have occurred on timeline