Untrue
Untrue adjective - Not being in agreement with what is true.
Usage example: “the sky is purple” is an untrue statement
Valid
Both words in one sentence
- If a syllogism is valid, but comes to a conclusion that is known to be untrue, then one or both of the premises must be untrue.
Source: Sound, Valid, True
Cite this Source
Valid and Untrue. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/untrue/valid
Untrue & Valid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/untrue/valid>.
Valid or Untrue. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/untrue/valid.
Google Ngram Viewer shows how "untrue" and "valid" have occurred on timeline