- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
89 entries under free topic. ×
| casual(adjective, calm, open, smooth) | |
| relaxed(adjective, calm, quiet, clear, open) | |
| unceremonious(adjective, calm, open, simple) | |
| offhand(adjective, cool, careless, casual) | |
| spontaneous(adjective, simple, plain, relaxed) | |
| unconstrained(adjective, clear, open, simple) | |
| slack(adjective, out, unrestricted, released) | |
| unstudied(casual, impulsive, spontaneous, impromptu) | |
| extemporaneous(adjective, casual, impulsive, spontaneous) | |
| extempore(adjective, simple, casual, spontaneous) | |
| impromptu(adjective, casual, impulsive, spontaneous) | |
| open(adjective, calm, clear, smooth) | |
| unreserved(adjective, open, easy, friendly) | |
| unrestrained(adjective, simple, friendly, plain) | |
| clear(adjective, open, easy, loose) | |
| comfortable(adjective, calm, quiet, open) | |
| escaped(adjective, clear, open, easy) | |
| free-and-easy(adjective, open, simple, easy) | |
| off the cuff(expression, adjective, idiom, impromptu) | |
| officious(adjective, open, easy, friendly) |
For more, visit
Informal on
Power Thesaurus
| APA | Smart Define. (2016). informal thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/informal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "informal thesaurus" https://smartdefine.org/informal/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, informal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/informal/thesaurus/synonyms>. |
| MLA | Smart Define. "informal thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/informal/thesaurus/synonyms> |