unreserved

/ˈʌnrəˌzʌrvd/

Definitions of unreserved

1. adjective

   not reserved
   synonyms:

   first-come-first-serve, rush

   not accepting reservations

   unbooked

   not reserved in advance

   antonyms:

   reserved

   set aside for the use of a particular person or party

   booked, engaged, set-aside

   reserved in advance

   bookable

   subject to being reserved or booked
2. adjective

   not cautious or reticent
   “unreserved behavior”

   synonyms:

   demonstrative

   given to or marked by the open expression of emotion

   uninhibited

   not inhibited or restrained

   unrestrained

   not subject to restraint

   antonyms:

   reserved

   marked by self-restraint and reticence

   backward

   (used of temperament or behavior) marked by a retiring nature

   undemonstrative

   not given to open expression of emotion

   inhibited

   held back or restrained or prevented

   aloof, distant, remote, upstage

   remote in manner

   diffident

   showing modest reserve

   indrawn, withdrawn

   tending to reserve or introspection

   restrained

   under restraint