35 entries under sudden topic. ×
| abrupt(adjective, unexpected, surprising) | |
| impetuous(adjective, unlooked-for, unhoped) | |
| impulsive(adjective, extraordinary, wonderful, quick, shocking) | |
| brusque(adjective, surprising, unlooked-for) | |
| fast(adjective, surprising, unlooked-for) | |
| hasty(adjective, unlooked-for, unhoped) | |
| rapid(adjective, surprising, unlooked-for) | |
| quick(adjective, surprising, unlooked-for) | |
| swift(adjective, surprising, unlooked-for) | |
| accelerated(adjective, unlooked-for, unhoped) | |
| headlong(adjective, unlooked-for, unhoped) | |
| hurried(adjective, unlooked-for, unhoped) | |
| immediate(adjective, unlooked-for, unhoped) | |
| rash(adjective, unlooked-for, unhoped) | |
| rushing(adjective, unlooked-for, unhoped) | |
| spontaneous(adjective, unlooked-for, unhoped) | |
| urgent(adjective, unlooked-for, unhoped) | |
| without warning(expression, adjective, extraordinary, wonderful, surprise) | |
| acute(adjective, unlooked-for, unhoped) | |
| instant(adjective, unlooked-for, unhoped) |
For more, visit
Out_of_the_blue on
Power Thesaurus
| APA | Smart Define. (2015). out of the blue thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/out_of_the_blue/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "out of the blue thesaurus" https://smartdefine.org/out_of_the_blue/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, out of the blue thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms>. |
| MLA | Smart Define. "out of the blue thesaurus" 3 August 2015. Web. 30 September 2026. <https://smartdefine.org/out_of_the_blue/thesaurus/synonyms> |