Cool
Cool adjective - Having or showing a lack of friendliness or interest in others.
Usage example: the schoolmaster's cool manner did not encourage chitchat
Reserved is a synonym for cool in aloof topic. In some cases you can use "Reserved" instead an adjective "Cool", when it comes to topics like attitude, distant, unfriendly.
Mutual synonyms
Both words in one sentence
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Neither of them is very good at showing affection, either; Kitsune is kind of a trickster jerk and Oniyuri is just very cool and reserved.
Source: Manga / Hyakko -
FemShep, who despite typically acting as The Squadette during her off-duty hours, nonetheless, manages to remain focused, reserved and cool-headed at all times throughout combat situations.
Source: Lady of War - Kakkoi buaiso (kakkoi = cool, as in Rule of Cool, buaisou = reserved, quiet) seme: Good-looking, stylish, aloof, doesn't talk much.
Source: Boys Love Notes
Cite this Source
Reserved and Cool. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/cool/reserved
Cool & Reserved. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/cool/reserved>.
Reserved or Cool. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/cool/reserved.
Google Ngram Viewer shows how "cool" and "reserved" have occurred on timeline