- Definitions|0
- Thesaurus|3
- Abbreviations|0
3 entries under investigate topic. ×
| feel out(verb, phrasal verb, test) | |
| probe(verb, test) | |
| sound(verb, test) |
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Send_up_a_trial_balloon on
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| APA | Smart Define. (2011). send up a trial balloon thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/send_up_a_trial_balloon/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "send up a trial balloon thesaurus" https://smartdefine.org/send_up_a_trial_balloon/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, send up a trial balloon thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/send_up_a_trial_balloon/thesaurus/synonyms>. |
| MLA | Smart Define. "send up a trial balloon thesaurus" 6 May 2011. Web. 30 September 2026. <https://smartdefine.org/send_up_a_trial_balloon/thesaurus/synonyms> |