Intelligible
Intelligible adjective - Capable of being understood.
Usage example: speculation on the odds that a communication from a far-off planet would be intelligible
Simple is a synonym for intelligible in quality topic. In some cases you can use "Simple" instead an adjective "Intelligible", when it comes to topics like lucid.
Simple
Simple adjective - Free from all additions or embellishment.
Intelligible is a synonym for simple in clear topic. You can use "Intelligible" instead an adjective "Simple", if it concerns topics such as quality, uncomplicated.
Mutual synonyms
Both words in one sentence
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The Molvanian language as described in Molvanîa, A Land Untouched by Modern Dentistry is supposed to have a highly irregular grammar and difficult pronunciation, often requiring crude gestures to make simple phrases intelligible.
Source: Black Speech
Cite this Source
Simple and Intelligible. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/intelligible/simple
Intelligible & Simple. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/intelligible/simple>.
Simple or Intelligible. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/intelligible/simple.
Google Ngram Viewer shows how "intelligible" and "simple" have occurred on timeline