Effective
Effective adjective - Producing or capable of producing a desired result.
Intelligent and effective are semantically related. In some cases you can use "Intelligent" instead an adjective "Effective".
Intelligent
Intelligent adjective - Having or showing quickness of mind.
Effective and intelligent are semantically related. Sometimes you can use "Effective" instead an adjective "Intelligent".
Both words in one sentence
- Lister, in Red Dwarf, was surprisingly effective as the Philosopher, but his more intelligent insights and musings were often undermined by the plot - Red Dwarf is, after all, a comedy.
Source: The Philosopher -
Bullying The Dragon: Sane and otherwise intelligent people have challenged Diabolik and/or Eva without having some sort of effective leverage first.
Source: Comic Book / Diabolik -
They are far less effective than human-pilots as they are less intelligent, can't use pilot skills, and can be immobilized by honest-to-God killing the lights.
Source: Mecha-Mooks
Cite this Source
Intelligent and Effective. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/effective/intelligent
Effective & Intelligent. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/effective/intelligent>.
Intelligent or Effective. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/effective/intelligent.
Google Ngram Viewer shows how "effective" and "intelligent" have occurred on timeline