Invalid
Invalid adjective - Having no legal or binding force.
Usage example: the treaty is invalid once one side violates it
Worthless and invalid are semantically related in null and void topic. In some cases you can use "Worthless" instead an adjective "Invalid", when it comes to topics like void.
Worthless
Worthless adjective - Having no usefulness.
Invalid and worthless are semantically related in null and void topic. Sometimes you can use "Invalid" instead an adjective "Worthless".
Mutual synonyms
Related pairs
Both words in one sentence
-
In addition the experiment was worthless because it was scientifically invalid because there was no control group among other issues with the study.
-
It's often played for laughs, too, since some of the more humorous sections of the verse joke that giving directions to one's room in the keep is worthless since they'd always be invalid by the end of the week.
Source: Chaos Architecture
Cite this Source
Worthless and Invalid. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/invalid/worthless
Invalid & Worthless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/invalid/worthless>.
Worthless or Invalid. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/invalid/worthless.
Google Ngram Viewer shows how "invalid" and "worthless" have occurred on timeline