- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
86 entries under casual topic. ×
| unconstrained(adjective, clear, open, free, simple) | |
| congenial(adjective, simple) | |
| homey(adjective, cool, simple, relaxed, ordinary) | |
| unstudied(free, impulsive, spontaneous, impromptu) | |
| cool(adjective, simple, informal) | |
| extemporaneous(adjective, free, impulsive, spontaneous) | |
| extempore(adjective, free, simple, spontaneous) | |
| frank(adjective, clear, open, simple, easy) | |
| impromptu(adjective, free, impulsive, spontaneous) | |
| laid-back(adjective, cool, plain, informal, mild) | |
| liberal(adjective, calm, clear, open, easy) | |
| open(adjective, calm, clear, free, smooth) | |
| straightforward(adjective, simple, succinct) | |
| unfussy(adjective, simple) | |
| unrestrained(adjective, free, simple, friendly, plain) | |
| free-and-easy(adjective, open, free, simple, easy) | |
| calm(adjective, mild, relaxed, comfortable) | |
| democratic(adjective, simple, representative) | |
| improvised(adjective, free, impulsive, spontaneous) | |
| laid back(verb, expression, adjective, phrasal verb, simple) |
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| APA | Smart Define. (2016). informal thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/informal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "informal thesaurus" https://smartdefine.org/informal/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, informal thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/informal/thesaurus/synonyms>. |
| MLA | Smart Define. "informal thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/informal/thesaurus/synonyms> |