Rotten
Rotten adjective - Not giving pleasure to the mind or senses.
Usage example: had a rotten time while on vacation
Unpleasant is a synonym for rotten in despicable topic. In some cases you can use "Unpleasant" instead the word "Rotten" as an adjective or an adverb, when it comes to topics like nasty.
Nearby Words: rottenness, rottenly
Unpleasant
Unpleasant adjective - Not giving pleasure to the mind or senses.
Usage example: the burnt pot roast had a very unpleasant odor
Rotten is a synonym for unpleasant in disgusting topic. You can use "Rotten" instead the word "Unpleasant" as an adjective or an adverb, if it concerns topics such as bad.
Nearby Words: unpleasantness, unpleasantly
Mutual synonyms
Related pairs
Both words in one sentence
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Aside from Robert, Lucille, Arthur and — arguably — Seymour, nearly all the animals in this movie are or eventually become ugly, disease ridden, rotten or just generally unpleasant.
Source: Film / Meet the Feebles - Averted in the 3rd game, as rotten rice balls are labeled as such and are a sickly shade of green, and is actually useful for healing outside combat, given that it only gives an unpleasant temporary status effect.
Source: Video Game / Way of the Samurai - It also features Poison Mushroom-type items which take the form of rotten foods, or a few stereotypically unpleasant "healthy" foods, like cabbage.
Source: Hyperactive Metabolism
Cite this Source
Unpleasant and Rotten. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/rotten/unpleasant
Rotten & Unpleasant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/rotten/unpleasant>.
Unpleasant or Rotten. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/rotten/unpleasant.
Google Ngram Viewer shows how "rotten" and "unpleasant" have occurred on timeline