Invalid
Invalid adjective - Chronically or repeatedly suffering from poor health.
Strong
Strong adjective - Having the power to persuade.
Usage example: made a strong argument for starting school an hour later each day
Nearby Word: strongly
Both words in one sentence
- Vader's physical strength and extremely strong Force connection is the only thing keeping the suit from rendering him a useless crippled invalid.
Source: Awesome But Impractical / Film -
Typing in an invalid URL on the site will bring up a "404'd" page in the style of Strong Bad's "Teen Girl Squad" comics.
Source: Painting the Medium - Indeed monarchists often note that revolutions only happen against weak rulers (Charles I, Louis XVI, Nicholas II) rather than strong rulers, which means that The Kingdom as a system is not invalid except for the weak rulers who potentially come to power.
Source: Analysis / Democracy Is Flawed
Cite this Source
Strong and Invalid. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/invalid/strong
Invalid & Strong. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/invalid/strong>.
Strong or Invalid. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/invalid/strong.
Google Ngram Viewer shows how "invalid" and "strong" have occurred on timeline