- Definitions|2
- Thesaurus|876
- Abbreviations|0
44 entries under useful topic. ×
| effective(adjective, strong, power, moving, tough) | |
| productive(adjective, power, tough, energetic) | |
| successful(adjective, happy, helpful, effective) | |
| practical(adjective, helpful, beneficial, advantageous) | |
| serviceable(adjective, beneficial, advantageous, efficient) | |
| beneficial(helpful, advantageous, optimistic) | |
| helpful(adjective, beneficial, advantageous, optimistic) | |
| important(adjective, strong, powerful, significant) | |
| significant(adjective, strong, important, powerful) | |
| symbiotic(beneficial, advantageous) | |
| usable(beneficial, advantageous) | |
| valuable(tough, energetic, effective, beneficial) | |
| advantageous(adjective, strong, happy, valuable) | |
| conducive(tough, energetic, effective, beneficial) | |
| considerate(sensible, wise, shrewd, beneficial) | |
| convenient(adjective, friendly, happy, sympathetic) | |
| favorable(adjective, strong, friendly, happy) | |
| fortunate(adjective, strong, friendly, happy) | |
| good for(expression, tough, energetic, effective) | |
| instrumental(adjective, strong, important, powerful, significant) |
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| APA | Smart Define. (2015). efficacious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficacious thesaurus" https://smartdefine.org/efficacious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, efficacious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficacious/thesaurus/synonyms>. |
| MLA | Smart Define. "efficacious thesaurus" 13 October 2015. Web. 22 September 2026. <https://smartdefine.org/efficacious/thesaurus/synonyms> |