| double agent(noun, expression, plant, agent, spy) | |
| driver | |
| employed(running, alive, functioning, operational) | |
| engineer | |
| essential(useful, beneficial, advantageous) | |
| eye | |
| factor(noun, agent, representative, manager, deputy) | |
| forcible(important, powerful, effective) | |
| functionary(representative, manager, deputy, mediator) | |
| good | |
| gumshoe | |
| hack(noun, agent, staff, worker, workers) | |
| handler(representative, manager, deputy, mediator) | |
| helpful(adjective, useful, practical, effective, beneficial) | |
| hotel detective(expression, idiom) | |
| house detective(expression, idiom) | |
| impressive(adjective, important, powerful, effective) | |
| in effect(expression, adjective, active, effective, running) | |
| inquiry agent(expression, idiom) | |
| invaluable(useful, practical, effective, beneficial, advantageous) |
For more, visit
Operative on
Power Thesaurus
| APA | Smart Define. (2015). operative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/operative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "operative thesaurus" https://smartdefine.org/operative/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, operative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/operative/thesaurus/synonyms>. |
| MLA | Smart Define. "operative thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/operative/thesaurus/synonyms> |