High
High adjective - Commanding a large price.
Usage example: the concert tickets weren't cheap—you don't even want to know how high they were
Unreasonable and high are semantically related. in inflated topic. In some cases you can use "Unreasonable" instead an adjective "High".
Nearby Word: highly
Unreasonable
Unreasonable adjective - Having no basis in reason or fact.
High and unreasonable are semantically related. Sometimes you can use "High" instead an adjective "Unreasonable".
Mutual synonyms
Both words in one sentence
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Television high school students spend an inordinate amount of time in a single classroom, which is not unreasonable given the likelihood that we will only ever see one or two teachers.
Source: High School -
This was exploited in a similar way to the above EVE example; by scheduling attacks at unreasonable times, one particularly infamous Griefer by the name of Robertdonald forced defenders to log on to play at extremely bothersome times or risk losing a high-stakes battle by default.
Source: Bladder of Steel -
It's even lampshaded by Hiruma: "Preconceptions are harsh..." Serious Business: Okay, yeah, it's not that unreasonable for people to get a little crazy in high school sports... but did you know that beach football is Serious Business?
Source: Manga / Eyeshield 21
Cite this Source
Unreasonable and High. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/high/unreasonable
High & Unreasonable. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/high/unreasonable>.
Unreasonable or High. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/high/unreasonable.
Google Ngram Viewer shows how "high" and "unreasonable" have occurred on timeline