Complex and Plain

Complex

Complex adjective - Having many parts or aspects that are usually interrelated.
Usage example: complex issues regarding free speech and school discipline

Plain is an antonym for complex in topics: involved, difficult to understand.

Plain

Plain adjective - Free from all additions or embellishment.

Complex is an antonym for plain in topics: clear, normal, ugly, unembellished, straightforward in speech.

Nearby Words: plainly, plainness, plaint

How words are described

full full complex full plain
single single complex single plain
entire entire complex entire plain
large large complex large plain
Other adjectives: big, huge, little, bad, mysterious, vast, largest.

Both words in one sentence

  • Comedy is often derived from this when the characters get something complex, eloquent or otherwise plain long from a short phrase like "ook".
  • Videogame / Portal 2 Really, the whole of Aperture probably counts, considering how complex and just plain ridiculously huge the place is.
  • Hiding the secret in plain sight, they even called their prison building complex The Pentagon.
Cite this Source
Plain and Complex. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/complex/plain
Complex & Plain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/complex/plain>.
Plain or Complex. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/complex/plain.
Google Ngram Viewer shows how "complex" and "plain" have occurred on timeline