High
High adjective - Extending to a great distance upward.
Optimistic and high are semantically related In some cases you can use "Optimistic" instead an adjective "High".
Nearby Word: highly
Optimistic
Optimistic adjective - Having qualities which inspire hope.
High and optimistic are semantically related in believing positively topic. Sometimes you can use "High" instead an adjective "Optimistic".
Both words in one sentence
- The alternate ending December 21, 2010, on the other hand, takes this up so high it makes The Road look optimistic in comparison.
Source: After The End / Roleplay -
Also one of the more optimistic explanations for all the high-tech ruins that keep getting found.
Source: Web Original / Orion's Arm -
This overly optimistic yellow man with a high-pitched voice is always bothering his grumpy bald neighbor.
Cite this Source
Optimistic and High. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/high/optimistic
High & Optimistic. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/high/optimistic>.
Optimistic or High. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/high/optimistic.
Google Ngram Viewer shows how "high" and "optimistic" have occurred on timeline