Effective
Effective adjective - Producing or capable of producing a desired result.
Out the window is an antonym for effective.
Out the window
Both terms in one sentence
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Much more effective than looking out the window.
Source: Gag Boobs
Cite this Source
Out the window and Effective. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/effective/out_the_window
Effective & Out the window. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/effective/out_the_window>.
Out the window or Effective. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/effective/out_the_window.