Ineffective
Ineffective adjective - Not producing the desired result.
Null is a synonym for ineffective in worthless topic. In some cases you can use "Null" instead an adjective "Ineffective", when it comes to topics like useless.
Null
Null adjective - Having no legal or binding force.
Usage example: the contract was null because one party forgot to sign it
Ineffective is a synonym for null in worthless topic. You can use "Ineffective" instead an adjective "Null", if it concerns topics such as ineffectual.
Mutual synonyms
Both words in one sentence
- The Word of Blake, a religious Knight Templar faction, initially started the Jihad due to unfocused, inchoate rage against the Great Houses, since the Houses ended the Second Star League (it was utterly ineffective) and rendered Blake's prophecies on the matter null and void.
Source: Genghis Gambit
Cite this Source
Null and Ineffective. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/ineffective/null
Ineffective & Null. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/ineffective/null>.
Null or Ineffective. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/ineffective/null.
Google Ngram Viewer shows how "ineffective" and "null" have occurred on timeline