Flat
Neutral
Neutral adjective - Lacking in distinctive features or qualities.
Usage example: the hero is the novel's only fully fleshed person, all the others being rather neutral characters who are just there to advance the plot
Flat and neutral are semantically related in insipid topic. Sometimes you can use "Flat" instead an adjective "Neutral".
Both words in one sentence
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Even after a year as a girl Nozomu still passes as a boy because his haircut is fairly neutral and he still has a fairly flat chest.
Source: Manga / Nozomu Nozomi -
Averted in The Edge Chronicles, where even the more aggressive and violent races like shrykes and flat-headed goblins have individual members who are shown to be good people or neutral civilians.
Source: Always Chaotic Evil - While there are times where you have to make a flat Good or Evil decision, most of these are pretty clear-cut cases (will you spare the bandit or kill him?) and you don't recieve any penalties for staying neutral.
Source: No Points for Neutrality
Cite this Source
Neutral and Flat. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/flat/neutral
Flat & Neutral. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/flat/neutral>.
Neutral or Flat. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/flat/neutral.
Google Ngram Viewer shows how "flat" and "neutral" have occurred on timeline