- Definitions|2
- Thesaurus|876
- Abbreviations|0
30 entries under opportune topic. ×
| casual(adjective, happy, beneficial, fortunate) | |
| enviable(adjective, happy, beneficial, fortunate) | |
| felicitous(adjective, happy, beneficial, fortunate) | |
| fitting(adjective, happy, beneficial, fortunate) | |
| incidental(adjective, happy, beneficial, fortunate) | |
| meet(adjective, happy, beneficial, fortunate) | |
| promising(adjective, happy, beneficial, fortunate) | |
| proper(adjective, happy, beneficial, fortunate) | |
| propitious(adjective, happy, beneficial, fortunate) | |
| well-timed(adjective, happy, beneficial, fortunate) |
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| APA | Smart Define. (2015). efficacious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/efficacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficacious thesaurus" https://smartdefine.org/efficacious/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, efficacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/efficacious/thesaurus/synonyms>. |
| MLA | Smart Define. "efficacious thesaurus" 13 October 2015. Web. 23 September 2026. <https://smartdefine.org/efficacious/thesaurus/synonyms> |