Mature
Mature adjective - Fully grown or developed.
Simple
Simple adjective - Free from all additions or embellishment.
Both words in one sentence
- He began as a simple Butt Monkey / Man Child, but slowly evolved into a
slightly more mature Butt Monkey / Man Child.
- Inside of it was a book and a simple note that was signed 'A friend.' This book turns out to be the best thing that could have happened to Ash, leading to a more mature and intelligent Ash.
Source: Fanfic Recs / Pokémon General -
While in the manga is as handsome as any other male in the show, he is designed with a more mature looking appearance: Thick glasses, eyes with little shine and a simple comb over that lacks detail.
Source: Adaptational Attractiveness
Cite this Source
Simple and Mature. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/mature/simple
Mature & Simple. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/mature/simple>.
Simple or Mature. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/mature/simple.
Google Ngram Viewer shows how "mature" and "simple" have occurred on timeline