23 entries under spontaneous topic. ×
| unplanned(adjective, insignificant, irregular, senseless, planned) | |
| unpremeditated(adjective, careless, chance, casual) | |
| unarranged(unplanned, unpremeditated) | |
| Band-Aid(crude, substitute, temporary, unplanned) | |
| makeshift(adjective, crude, temporary, unplanned) | |
| offhand(careless, casual, arbitrary, unplanned) | |
| ad-lib(unplanned, unpremeditated) | |
| ad hoc(expression, unplanned, unpremeditated) | |
| ad lib(expression, unplanned, unpremeditated, autoschediastic) | |
| autoschediastic(unplanned, unpremeditated) | |
| extemporaneous(unplanned, unpremeditated) | |
| extempore(unplanned, unpremeditated) | |
| extemporized(unplanned, unpremeditated) | |
| fly-by-night(unplanned, unpremeditated, Band-Aid, autoschediastic) | |
| impromptu(unplanned, unpremeditated) | |
| improvised(crude, unplanned, unpremeditated, rough-and-ready) | |
| improviso(unplanned, unpremeditated, autoschediastic) | |
| made-up(unplanned, unpremeditated) | |
| off-the-cuff(unplanned, unpremeditated) | |
| spur-of-the-moment(unplanned, unpremeditated) |
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| APA | Smart Define. (2015). hit-or-miss thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hit-or-miss/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hit-or-miss thesaurus" https://smartdefine.org/hit-or-miss/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, hit-or-miss thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hit-or-miss/thesaurus/synonyms>. |
| MLA | Smart Define. "hit-or-miss thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/hit-or-miss/thesaurus/synonyms> |