unreserved
UK: ˌʌnrɪˈzɜːvd | US: ˌʌnrɪˈzɜːrvd
adj. not restricted or limited; open and frank
adj. (of seating or tickets) not assigned in advance; available without reservation
The word "unreserved" combines the prefix "un-" (Old English "un-," meaning "not") with the root "reserved" (from Latin "reservare," meaning "to keep back"). The prefix "re-" in "reserved" intensifies the sense of holding back, while "un-" negates it, creating the meaning "not held back" or "open." Over time, it evolved to describe both emotional openness (frankness) and practical availability (e.g., seating).
She gave an unreserved apology for her mistake.
The conference offers unreserved seating for all attendees.
His unreserved enthusiasm made him popular among colleagues.
The critic’s unreserved praise surprised the artist.
Tickets for the event are unreserved and sold on a first-come basis.