High
High adjective - Located at a greater height than average or usual.
Usage example: an old house with high ceilings
Upper is a synonym for high in quality topic. In some cases you can use "Upper" instead the word "High" as an adjective or a noun, when it comes to topics like high-ranking.
Nearby Word: highly
Upper
Upper adjective - Higher in place or position.
Usage example: in the upper center of the picture
Mutual synonyms
Both words in one sentence
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Instead, they are the exclusive province of titled nobility, high ranking military officers, upper-level businessmen, academics, etc.
Source: High-Class Glass -
There's quite the upper bound on the number of arrows that can remain visibly lodged in an object,◊ though given how the game averts Annoying Arrows completely, few players will catch nearly as many in one battle without a shield or high-quality armor.
Source: Human Pincushion -
She enters an upper-class girl's high school "Gokurakuin Jyoshi High School", so called "Gokujyo".
Source: Winter 2012 Anime
Cite this Source
Upper and High. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/high/upper
High & Upper. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/high/upper>.
Upper or High. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/high/upper.
Google Ngram Viewer shows how "high" and "upper" have occurred on timeline