The Collaborative International Dictionary
Reservedness
Reserved \Re*served"\ (-z?rvd"), a.
Kept for future or special use, or for an exigency; as, reserved troops; a reserved seat in a theater.
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Restrained from freedom in words or actions; backward, or cautious, in communicating one's thoughts and feelings; not free or frank.
To all obliging, yet reserved to all.
--Walsh.Nothing reserved or sullen was to see.
--Dryden. [1913 Webster] -- Re*serv"ed*ly (r?-z?rv"?d-l?), adv. -- Re*serv"ed*ness, n.
Wiktionary
reservedness
n. The characteristic of being reserved.